Page 1 Question Booklet CodeW Duration: Hours 3 Max.Marks:720 1. 2. 3. 4. 5. 6. 7. 8. . 9 Thetestisof3hoursdurationandTestBookletcontains180questions.Eachquestioncarries4marks.Foreachcorrect response,thecandidatewillget4marks.Foreachincorrectresponse,onemarkwillbedeductedfromthetotalscores.The maximummarksare720. ThequestionpapercontainsthreepartsA,BandCofPhysics,ChemistryandBiologyrespectively. PartAcontains45QuestionsfromPhysicssection.PartBcontains45QuestionsfromChemistrysection.PartCcontains90 QuestionsfromBiology. RoughworkistobedoneonthespaceprovidedforthispurposeintheTestBookletonly. On completion of the test, the candidate must handover the Answer Sheet to the invigilator in the Room/Hall. The candidatesareallowedtotakeawaythisTestBookletwiththem. Immediately fill the particulars on this page of the test booklet with blue/black ball point pen. Use of pencil is strictly prohibited. Blankpapers,clipboards,logtables,sliderules,calculators,cameras,cellularphones,pagersand electronicgadgetsarenot allowed. Youarenotallowedtogoanywherebeforetheendofthetest. Writeyournameandrollnumberinthespaceprovidedonthebottomofthispage. in Words Roll Number (in Figures) Question Booklet CodeW 5 PracticeSet Name of the Candidate (in Capital Letters) AIPMT AllIndiaPre-Medical/Pre-DentalEntranceTest Page 2 Question Booklet CodeW Duration: Hours 3 Max.Marks:720 1. 2. 3. 4. 5. 6. 7. 8. . 9 Thetestisof3hoursdurationandTestBookletcontains180questions.Eachquestioncarries4marks.Foreachcorrect response,thecandidatewillget4marks.Foreachincorrectresponse,onemarkwillbedeductedfromthetotalscores.The maximummarksare720. ThequestionpapercontainsthreepartsA,BandCofPhysics,ChemistryandBiologyrespectively. PartAcontains45QuestionsfromPhysicssection.PartBcontains45QuestionsfromChemistrysection.PartCcontains90 QuestionsfromBiology. RoughworkistobedoneonthespaceprovidedforthispurposeintheTestBookletonly. On completion of the test, the candidate must handover the Answer Sheet to the invigilator in the Room/Hall. The candidatesareallowedtotakeawaythisTestBookletwiththem. Immediately fill the particulars on this page of the test booklet with blue/black ball point pen. Use of pencil is strictly prohibited. Blankpapers,clipboards,logtables,sliderules,calculators,cameras,cellularphones,pagersand electronicgadgetsarenot allowed. Youarenotallowedtogoanywherebeforetheendofthetest. Writeyournameandrollnumberinthespaceprovidedonthebottomofthispage. in Words Roll Number (in Figures) Question Booklet CodeW 5 PracticeSet Name of the Candidate (in Capital Letters) AIPMT AllIndiaPre-Medical/Pre-DentalEntranceTest PART A PHYSICS 1. A mixture of gas consist of 2 moles of oxygen and 4 moles of argon at temperatureT. If all vibrational modes are neglected, then the total energy of system is a. 3RT b. 9RT c. 11RT d. None of these 2. The threshold wavelength for a metal having work function w 0 is l 0 . What is the threshold wavelength for a metal whose work function is w 0 2 ? a. 4 0 l b. 2 0 l c. l 0 2 d. l 0 4 3. The angular speed ( ) w of an electron revolving inn th Bohr orbit and corresponding principal quantum number ( ) n are related as a. wµ 1 3 n b. wµ 1 2 n c. wµn 2 d. wµn 3 4. A uniform steel rod of 2.5 mm 2 cross-sectional area is heated through 40°C. The force exerted on it is ( / a steel 5 1.2 10 C = ´ ° - ,g steel 2 2 N/m = ´ 1 10 1 ) a. 480 N b. 240 N c. 140 N d. None of these 5. Two particles on a wave having wavelength 2m are at the distance of 5m and 9 m respectively from origin. The phase difference between particle is a. p b. 2p c. p 2 d. 4p 6. Two inductors L 1 and L 2 are connected in parallel and a time varying current flows as shown in figure. Then the ratio of currents i i 1 2 / at any time t is a. L L 1 2 b. L L 2 1 c. L L L L 1 2 1 2 2 ( ) + d. ( ) ( ) L L L L 1 1 2 1 2 2 2 2 + 7. In Youngâ€™s double slit experiment, the separation between slits is halved and the distance between slits and the screen is doubled. The fringe width is a. unchanged b. halved c. doubled d. quadrupled 8. Damping force on an oscillator is directly proportionally to the velocity, then units of the constant of proportionality are a. kg s b. kg s 1 - c. kg ms 2 - d. kg ms 1 - 9. A wave equation is given by y t x = - + æ è ç ö ø ÷ é ë ê ù û ú 4 5 9 1 6 sin p Where x is in cm and t in second. Which of the following is true? a. l =1.8cm b. n = - 4 1 ms c. a = 0.4 m d. f = 50Hz Question Booklet CodeW i i i 1 L 1 L 2 i 2 Page 3 Question Booklet CodeW Duration: Hours 3 Max.Marks:720 1. 2. 3. 4. 5. 6. 7. 8. . 9 Thetestisof3hoursdurationandTestBookletcontains180questions.Eachquestioncarries4marks.Foreachcorrect response,thecandidatewillget4marks.Foreachincorrectresponse,onemarkwillbedeductedfromthetotalscores.The maximummarksare720. ThequestionpapercontainsthreepartsA,BandCofPhysics,ChemistryandBiologyrespectively. PartAcontains45QuestionsfromPhysicssection.PartBcontains45QuestionsfromChemistrysection.PartCcontains90 QuestionsfromBiology. RoughworkistobedoneonthespaceprovidedforthispurposeintheTestBookletonly. On completion of the test, the candidate must handover the Answer Sheet to the invigilator in the Room/Hall. The candidatesareallowedtotakeawaythisTestBookletwiththem. Immediately fill the particulars on this page of the test booklet with blue/black ball point pen. Use of pencil is strictly prohibited. Blankpapers,clipboards,logtables,sliderules,calculators,cameras,cellularphones,pagersand electronicgadgetsarenot allowed. Youarenotallowedtogoanywherebeforetheendofthetest. Writeyournameandrollnumberinthespaceprovidedonthebottomofthispage. in Words Roll Number (in Figures) Question Booklet CodeW 5 PracticeSet Name of the Candidate (in Capital Letters) AIPMT AllIndiaPre-Medical/Pre-DentalEntranceTest PART A PHYSICS 1. A mixture of gas consist of 2 moles of oxygen and 4 moles of argon at temperatureT. If all vibrational modes are neglected, then the total energy of system is a. 3RT b. 9RT c. 11RT d. None of these 2. The threshold wavelength for a metal having work function w 0 is l 0 . What is the threshold wavelength for a metal whose work function is w 0 2 ? a. 4 0 l b. 2 0 l c. l 0 2 d. l 0 4 3. The angular speed ( ) w of an electron revolving inn th Bohr orbit and corresponding principal quantum number ( ) n are related as a. wµ 1 3 n b. wµ 1 2 n c. wµn 2 d. wµn 3 4. A uniform steel rod of 2.5 mm 2 cross-sectional area is heated through 40°C. The force exerted on it is ( / a steel 5 1.2 10 C = ´ ° - ,g steel 2 2 N/m = ´ 1 10 1 ) a. 480 N b. 240 N c. 140 N d. None of these 5. Two particles on a wave having wavelength 2m are at the distance of 5m and 9 m respectively from origin. The phase difference between particle is a. p b. 2p c. p 2 d. 4p 6. Two inductors L 1 and L 2 are connected in parallel and a time varying current flows as shown in figure. Then the ratio of currents i i 1 2 / at any time t is a. L L 1 2 b. L L 2 1 c. L L L L 1 2 1 2 2 ( ) + d. ( ) ( ) L L L L 1 1 2 1 2 2 2 2 + 7. In Youngâ€™s double slit experiment, the separation between slits is halved and the distance between slits and the screen is doubled. The fringe width is a. unchanged b. halved c. doubled d. quadrupled 8. Damping force on an oscillator is directly proportionally to the velocity, then units of the constant of proportionality are a. kg s b. kg s 1 - c. kg ms 2 - d. kg ms 1 - 9. A wave equation is given by y t x = - + æ è ç ö ø ÷ é ë ê ù û ú 4 5 9 1 6 sin p Where x is in cm and t in second. Which of the following is true? a. l =1.8cm b. n = - 4 1 ms c. a = 0.4 m d. f = 50Hz Question Booklet CodeW i i i 1 L 1 L 2 i 2 10. In figure shown, there are two convex lenses L 1 and L 2 having focal length F 1 and F 2 respectively. The distance between L 1 and L 2 will be a. F F 1 2 + b. F F 1 2 - c. F 1 d. F 2 11. The radioactivity of a sample is I 1 at a time t 1 and I 2 at a time t 2 . If the half-life of the sample is t 1 2 / then the number of nuclei that have disintegrated in the timet t 2 1 - is proportional to a. I t I t 1 2 2 1 - b. I I 1 2 - c. I I 1 2 1 2 - t / d. ( ) / I I 1 2 1 2 - t 12. Two radioactive materials x 1 and x 2 have decay constants 5l and l respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of x 1 to that of x 2 will be 1 e after a time. a. l b. 1 2 l c. 1 4 l d. e l 13. In the case of forward biasing of a p-n junction diode, which one of the following figures correctly depicts the direction of conventional current? 14. How many images are formed by the lens shown, if an object is kept on its axis as shown below? a. 1 b. 2 c. 3 d. 4 15. Which of the following in case of spherical mirror depend on whether the rays are paraxiol or not? a. Radius of curvature b. Pole c. Focus d. Principal axis 16. If in a wire of Youngâ€™s modulus Y, longitudinal strain X is produced then the potential energy stored in its unit volume will be a. 0.5YX 2 b. 0.5Y X 2 c. 2 YX 2 d. YX 2 17. A wire is suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight stretches the wire by 1 mm. Then the elastic energy stored in wire is a. 0.2 J b. 10 J c. 20 J d. 0.1 J PRACTICE SET 5 143 Question Booklet CodeW p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ a. b. c. d. µ 1 µ 2 O Space for Rough Work L 1 L 2 Page 4 Question Booklet CodeW Duration: Hours 3 Max.Marks:720 1. 2. 3. 4. 5. 6. 7. 8. . 9 Thetestisof3hoursdurationandTestBookletcontains180questions.Eachquestioncarries4marks.Foreachcorrect response,thecandidatewillget4marks.Foreachincorrectresponse,onemarkwillbedeductedfromthetotalscores.The maximummarksare720. ThequestionpapercontainsthreepartsA,BandCofPhysics,ChemistryandBiologyrespectively. PartAcontains45QuestionsfromPhysicssection.PartBcontains45QuestionsfromChemistrysection.PartCcontains90 QuestionsfromBiology. RoughworkistobedoneonthespaceprovidedforthispurposeintheTestBookletonly. On completion of the test, the candidate must handover the Answer Sheet to the invigilator in the Room/Hall. The candidatesareallowedtotakeawaythisTestBookletwiththem. Immediately fill the particulars on this page of the test booklet with blue/black ball point pen. Use of pencil is strictly prohibited. Blankpapers,clipboards,logtables,sliderules,calculators,cameras,cellularphones,pagersand electronicgadgetsarenot allowed. Youarenotallowedtogoanywherebeforetheendofthetest. Writeyournameandrollnumberinthespaceprovidedonthebottomofthispage. in Words Roll Number (in Figures) Question Booklet CodeW 5 PracticeSet Name of the Candidate (in Capital Letters) AIPMT AllIndiaPre-Medical/Pre-DentalEntranceTest PART A PHYSICS 1. A mixture of gas consist of 2 moles of oxygen and 4 moles of argon at temperatureT. If all vibrational modes are neglected, then the total energy of system is a. 3RT b. 9RT c. 11RT d. None of these 2. The threshold wavelength for a metal having work function w 0 is l 0 . What is the threshold wavelength for a metal whose work function is w 0 2 ? a. 4 0 l b. 2 0 l c. l 0 2 d. l 0 4 3. The angular speed ( ) w of an electron revolving inn th Bohr orbit and corresponding principal quantum number ( ) n are related as a. wµ 1 3 n b. wµ 1 2 n c. wµn 2 d. wµn 3 4. A uniform steel rod of 2.5 mm 2 cross-sectional area is heated through 40°C. The force exerted on it is ( / a steel 5 1.2 10 C = ´ ° - ,g steel 2 2 N/m = ´ 1 10 1 ) a. 480 N b. 240 N c. 140 N d. None of these 5. Two particles on a wave having wavelength 2m are at the distance of 5m and 9 m respectively from origin. The phase difference between particle is a. p b. 2p c. p 2 d. 4p 6. Two inductors L 1 and L 2 are connected in parallel and a time varying current flows as shown in figure. Then the ratio of currents i i 1 2 / at any time t is a. L L 1 2 b. L L 2 1 c. L L L L 1 2 1 2 2 ( ) + d. ( ) ( ) L L L L 1 1 2 1 2 2 2 2 + 7. In Youngâ€™s double slit experiment, the separation between slits is halved and the distance between slits and the screen is doubled. The fringe width is a. unchanged b. halved c. doubled d. quadrupled 8. Damping force on an oscillator is directly proportionally to the velocity, then units of the constant of proportionality are a. kg s b. kg s 1 - c. kg ms 2 - d. kg ms 1 - 9. A wave equation is given by y t x = - + æ è ç ö ø ÷ é ë ê ù û ú 4 5 9 1 6 sin p Where x is in cm and t in second. Which of the following is true? a. l =1.8cm b. n = - 4 1 ms c. a = 0.4 m d. f = 50Hz Question Booklet CodeW i i i 1 L 1 L 2 i 2 10. In figure shown, there are two convex lenses L 1 and L 2 having focal length F 1 and F 2 respectively. The distance between L 1 and L 2 will be a. F F 1 2 + b. F F 1 2 - c. F 1 d. F 2 11. The radioactivity of a sample is I 1 at a time t 1 and I 2 at a time t 2 . If the half-life of the sample is t 1 2 / then the number of nuclei that have disintegrated in the timet t 2 1 - is proportional to a. I t I t 1 2 2 1 - b. I I 1 2 - c. I I 1 2 1 2 - t / d. ( ) / I I 1 2 1 2 - t 12. Two radioactive materials x 1 and x 2 have decay constants 5l and l respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of x 1 to that of x 2 will be 1 e after a time. a. l b. 1 2 l c. 1 4 l d. e l 13. In the case of forward biasing of a p-n junction diode, which one of the following figures correctly depicts the direction of conventional current? 14. How many images are formed by the lens shown, if an object is kept on its axis as shown below? a. 1 b. 2 c. 3 d. 4 15. Which of the following in case of spherical mirror depend on whether the rays are paraxiol or not? a. Radius of curvature b. Pole c. Focus d. Principal axis 16. If in a wire of Youngâ€™s modulus Y, longitudinal strain X is produced then the potential energy stored in its unit volume will be a. 0.5YX 2 b. 0.5Y X 2 c. 2 YX 2 d. YX 2 17. A wire is suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight stretches the wire by 1 mm. Then the elastic energy stored in wire is a. 0.2 J b. 10 J c. 20 J d. 0.1 J PRACTICE SET 5 143 Question Booklet CodeW p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ a. b. c. d. µ 1 µ 2 O Space for Rough Work L 1 L 2 18. If a car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the angle of banking is 45°, then speed of car is a. 10 m/s b. 5 m/s c. 20 m/s d. 30 m/s 19. A hollow cylinder has a chargeq within it. If f is the electric flux in unit of voltmeter associated with the curved surface B, the flux linked with the plane surface A in unit of voltmeter will be a. 1 2 0 q e f - æ è ç ö ø ÷ b. q 2 0 e c. f 3 d. q e f 0 - 20. The thermo emfE in volts of a certain thermocouple is found to vary with temperature differenceq in °C between the two junctions according to the relation E = - 30 15 2 q q , then the neutral temperature of thermocouple is a. 400°C b. 225°C c. 450°C d. 30°C 21. The equivalent resistance between A and B as shown in figure is a. 0.2W b. 0.4W c. 0.6W d. None of these 22. Three rods of same dimensions have thermal conductivities 3 2 K K , and K they are arranged as shown below What will be the temperature T of the junction? a. 200 3 °C b. 100 3 °C c. 75 °C d. 50 3 °C 23. If 8 dipoles of charges of magnitude ±e are placed inside the cube. The electric flux coming out of cube will be a. 16 0 e E / b. 8 0 e E / c. e E / 0 d. zero 24. A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor. Which figure represents the track of its centre of mass? 144 AIPMT Practice Sets Question Booklet CodeW 1 O 1 O 1 O 1 O A B C A 3K 2K K 50°C 0°C 100°C T Time Time Time Time a. b. c. d. Page 5 Question Booklet CodeW Duration: Hours 3 Max.Marks:720 1. 2. 3. 4. 5. 6. 7. 8. . 9 Thetestisof3hoursdurationandTestBookletcontains180questions.Eachquestioncarries4marks.Foreachcorrect response,thecandidatewillget4marks.Foreachincorrectresponse,onemarkwillbedeductedfromthetotalscores.The maximummarksare720. ThequestionpapercontainsthreepartsA,BandCofPhysics,ChemistryandBiologyrespectively. PartAcontains45QuestionsfromPhysicssection.PartBcontains45QuestionsfromChemistrysection.PartCcontains90 QuestionsfromBiology. RoughworkistobedoneonthespaceprovidedforthispurposeintheTestBookletonly. On completion of the test, the candidate must handover the Answer Sheet to the invigilator in the Room/Hall. The candidatesareallowedtotakeawaythisTestBookletwiththem. Immediately fill the particulars on this page of the test booklet with blue/black ball point pen. Use of pencil is strictly prohibited. Blankpapers,clipboards,logtables,sliderules,calculators,cameras,cellularphones,pagersand electronicgadgetsarenot allowed. Youarenotallowedtogoanywherebeforetheendofthetest. Writeyournameandrollnumberinthespaceprovidedonthebottomofthispage. in Words Roll Number (in Figures) Question Booklet CodeW 5 PracticeSet Name of the Candidate (in Capital Letters) AIPMT AllIndiaPre-Medical/Pre-DentalEntranceTest PART A PHYSICS 1. A mixture of gas consist of 2 moles of oxygen and 4 moles of argon at temperatureT. If all vibrational modes are neglected, then the total energy of system is a. 3RT b. 9RT c. 11RT d. None of these 2. The threshold wavelength for a metal having work function w 0 is l 0 . What is the threshold wavelength for a metal whose work function is w 0 2 ? a. 4 0 l b. 2 0 l c. l 0 2 d. l 0 4 3. The angular speed ( ) w of an electron revolving inn th Bohr orbit and corresponding principal quantum number ( ) n are related as a. wµ 1 3 n b. wµ 1 2 n c. wµn 2 d. wµn 3 4. A uniform steel rod of 2.5 mm 2 cross-sectional area is heated through 40°C. The force exerted on it is ( / a steel 5 1.2 10 C = ´ ° - ,g steel 2 2 N/m = ´ 1 10 1 ) a. 480 N b. 240 N c. 140 N d. None of these 5. Two particles on a wave having wavelength 2m are at the distance of 5m and 9 m respectively from origin. The phase difference between particle is a. p b. 2p c. p 2 d. 4p 6. Two inductors L 1 and L 2 are connected in parallel and a time varying current flows as shown in figure. Then the ratio of currents i i 1 2 / at any time t is a. L L 1 2 b. L L 2 1 c. L L L L 1 2 1 2 2 ( ) + d. ( ) ( ) L L L L 1 1 2 1 2 2 2 2 + 7. In Youngâ€™s double slit experiment, the separation between slits is halved and the distance between slits and the screen is doubled. The fringe width is a. unchanged b. halved c. doubled d. quadrupled 8. Damping force on an oscillator is directly proportionally to the velocity, then units of the constant of proportionality are a. kg s b. kg s 1 - c. kg ms 2 - d. kg ms 1 - 9. A wave equation is given by y t x = - + æ è ç ö ø ÷ é ë ê ù û ú 4 5 9 1 6 sin p Where x is in cm and t in second. Which of the following is true? a. l =1.8cm b. n = - 4 1 ms c. a = 0.4 m d. f = 50Hz Question Booklet CodeW i i i 1 L 1 L 2 i 2 10. In figure shown, there are two convex lenses L 1 and L 2 having focal length F 1 and F 2 respectively. The distance between L 1 and L 2 will be a. F F 1 2 + b. F F 1 2 - c. F 1 d. F 2 11. The radioactivity of a sample is I 1 at a time t 1 and I 2 at a time t 2 . If the half-life of the sample is t 1 2 / then the number of nuclei that have disintegrated in the timet t 2 1 - is proportional to a. I t I t 1 2 2 1 - b. I I 1 2 - c. I I 1 2 1 2 - t / d. ( ) / I I 1 2 1 2 - t 12. Two radioactive materials x 1 and x 2 have decay constants 5l and l respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of x 1 to that of x 2 will be 1 e after a time. a. l b. 1 2 l c. 1 4 l d. e l 13. In the case of forward biasing of a p-n junction diode, which one of the following figures correctly depicts the direction of conventional current? 14. How many images are formed by the lens shown, if an object is kept on its axis as shown below? a. 1 b. 2 c. 3 d. 4 15. Which of the following in case of spherical mirror depend on whether the rays are paraxiol or not? a. Radius of curvature b. Pole c. Focus d. Principal axis 16. If in a wire of Youngâ€™s modulus Y, longitudinal strain X is produced then the potential energy stored in its unit volume will be a. 0.5YX 2 b. 0.5Y X 2 c. 2 YX 2 d. YX 2 17. A wire is suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight stretches the wire by 1 mm. Then the elastic energy stored in wire is a. 0.2 J b. 10 J c. 20 J d. 0.1 J PRACTICE SET 5 143 Question Booklet CodeW p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ p n + + + â€“ â€“ â€“ a. b. c. d. µ 1 µ 2 O Space for Rough Work L 1 L 2 18. If a car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the angle of banking is 45°, then speed of car is a. 10 m/s b. 5 m/s c. 20 m/s d. 30 m/s 19. A hollow cylinder has a chargeq within it. If f is the electric flux in unit of voltmeter associated with the curved surface B, the flux linked with the plane surface A in unit of voltmeter will be a. 1 2 0 q e f - æ è ç ö ø ÷ b. q 2 0 e c. f 3 d. q e f 0 - 20. The thermo emfE in volts of a certain thermocouple is found to vary with temperature differenceq in °C between the two junctions according to the relation E = - 30 15 2 q q , then the neutral temperature of thermocouple is a. 400°C b. 225°C c. 450°C d. 30°C 21. The equivalent resistance between A and B as shown in figure is a. 0.2W b. 0.4W c. 0.6W d. None of these 22. Three rods of same dimensions have thermal conductivities 3 2 K K , and K they are arranged as shown below What will be the temperature T of the junction? a. 200 3 °C b. 100 3 °C c. 75 °C d. 50 3 °C 23. If 8 dipoles of charges of magnitude ±e are placed inside the cube. The electric flux coming out of cube will be a. 16 0 e E / b. 8 0 e E / c. e E / 0 d. zero 24. A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor. Which figure represents the track of its centre of mass? 144 AIPMT Practice Sets Question Booklet CodeW 1 O 1 O 1 O 1 O A B C A 3K 2K K 50°C 0°C 100°C T Time Time Time Time a. b. c. d. 25. The coordinates of a moving particle at any time t are given by x t =a 3 andy t =b 3 . The speed of the particle at time t is given by a. 3 2 2 t a +b b. 3 2 2 2 t a +b c. t 2 2 2 a +b d. a +b 2 2 26. If a solenoid of magnetic moment 0.2Am 2 in a uniform magnetic field 0.16 T experiences a torque 0.016 Nm, then angle made by a solenoid axis with magnetic field is a. 30° b. 45° c. 60° d. 90° 27. The maximum percentage error in the determination of g g l t ( / ) = 4 2 2 p , whenl andt are measured with ± 2% and ± 3% errors is a. 2% b. 6% c. 8% d. None of these 28. A hollow metal sphere of radius 0.01 m is charged such that potential on its surface is 80 V. The potential at centre sphere is a. 8 V b. 80 V c. zero d. 800 V 29. ABC is an equilateral triangle with O as its centre. F F 1 2 , and F 3 represents three forces acting along the sides AB BC , and AC respectively. If total torque aboutO is zero, then the magnitude of F 3 is a. F F 1 2 2 + b. F F 1 2 - c. F F 1 2 + d. 2 1 2 ( ) F F + 30. If a plane is flying horizontally at 100 m/s at a height of 1000 m releases a bomb from it, then velocity with which the bomb hits the ground is a. 72.1 m/s b. 172.1 m/s c. 197.2 m/s d. None of these 31. In the given figure the loop is fixed but straight wire can move. The straight wire will a. remain stationary b. move towards the loop c. move away from the loop d. rotates about the axis 32. Figure shows three spherical and equipotential surfaces A, B and C round a point charge q. The potential differenceV V V V A B B C - = - . Ift 1 andt 2 be the distances between them then a. t t 1 2 = b. t t 1 2 > c. t t 1 2 < d. t t 1 2 £ PRACTICE SET 5 145 Question Booklet CodeW A B C O F 3 F 1 F 2 I 1 q t 1 t 2 Space for Rough WorkRead More

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