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Page 1 KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS PHYSICS 1. A ( 2) 2.A ? ? ? ? Magnitude doubles & direction becomes opposite. (2) 2. Area under v - t graph ? change in displacement of the practical (3) 3. 4 mm 12 12 4 4 p mv mv vv ? ? 1 K 2 K 22 1 1 2 2 22 22 22 22 12 11 4 22 11 (4 ) 4 22 11 16 4 22 : 4 :1 K mv K mv m v mv mv mv KK ?? ?? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? (2) 4. (2) Real inverted diminished 5. (2) (A) ? correct (R) ? correct ? angle of incidence ? critical angle for TIR 6. 11 11 12 22 6.67 10 2 16 13 34 10 4 mm F G N R ? ? ? ? ? ? ? ? ? ? (2) 7. (1) 8. (1) F C Page 2 KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS PHYSICS 1. A ( 2) 2.A ? ? ? ? Magnitude doubles & direction becomes opposite. (2) 2. Area under v - t graph ? change in displacement of the practical (3) 3. 4 mm 12 12 4 4 p mv mv vv ? ? 1 K 2 K 22 1 1 2 2 22 22 22 22 12 11 4 22 11 (4 ) 4 22 11 16 4 22 : 4 :1 K mv K mv m v mv mv mv KK ?? ?? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? (2) 4. (2) Real inverted diminished 5. (2) (A) ? correct (R) ? correct ? angle of incidence ? critical angle for TIR 6. 11 11 12 22 6.67 10 2 16 13 34 10 4 mm F G N R ? ? ? ? ? ? ? ? ? ? (2) 7. (1) 8. (1) F C KARNATAKA NTSE - STAGE 1 (2017) 9. (A) ? correct (B) ? correct Pressure proportional to density at constant temp (1) 10. 2 E mc ? ? ? ? ? ? ? 2 68 10 1 10 3 10 9 10 J ? ? ? ? ? ?? (4) 11. According to Ste fe n ’s law Radiation power ?T 4 ? On increasing the temperature by two time radiation power will increase by ? ? 4 2 16 ? times. (3) 12. In a half positive wave of input AC single upper diode will conduct and in next negative wave lower diode will conduct & it is called full wave rectifier. (2) 13. 1 11 Reg 3 3 3 ? ?? ?? ?? ? ?? 1 11 63 ? ?? ?? ?? ?? 2 ?? (4) Page 3 KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS PHYSICS 1. A ( 2) 2.A ? ? ? ? Magnitude doubles & direction becomes opposite. (2) 2. Area under v - t graph ? change in displacement of the practical (3) 3. 4 mm 12 12 4 4 p mv mv vv ? ? 1 K 2 K 22 1 1 2 2 22 22 22 22 12 11 4 22 11 (4 ) 4 22 11 16 4 22 : 4 :1 K mv K mv m v mv mv mv KK ?? ?? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? (2) 4. (2) Real inverted diminished 5. (2) (A) ? correct (R) ? correct ? angle of incidence ? critical angle for TIR 6. 11 11 12 22 6.67 10 2 16 13 34 10 4 mm F G N R ? ? ? ? ? ? ? ? ? ? (2) 7. (1) 8. (1) F C KARNATAKA NTSE - STAGE 1 (2017) 9. (A) ? correct (B) ? correct Pressure proportional to density at constant temp (1) 10. 2 E mc ? ? ? ? ? ? ? 2 68 10 1 10 3 10 9 10 J ? ? ? ? ? ?? (4) 11. According to Ste fe n ’s law Radiation power ?T 4 ? On increasing the temperature by two time radiation power will increase by ? ? 4 2 16 ? times. (3) 12. In a half positive wave of input AC single upper diode will conduct and in next negative wave lower diode will conduct & it is called full wave rectifier. (2) 13. 1 11 Reg 3 3 3 ? ?? ?? ?? ? ?? 1 11 63 ? ?? ?? ?? ?? 2 ?? (4) KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS CHEMISTRY 14. (3) Fact 15. (1) Reason: Across the period size decreases, down the group size increases. 16. (4) Reason: Methane and Propane do not exhibit isomerism 17. (2) Reason: Indicator will have less wavelength in basic medium (R > Q > P) 18. (4) Reason: Method of preparation of silicon. 19. (2) Reason: 2 2 2 Ca 2H O Ca(OH) H ? ? ? ? ? (base) ? Shows pink colour in phenolphthalein 20. (3) Reason: a. Mg + CuO ? ? ? MgO + Cu Reduction b. Oxygen is displaced. 21. (2) Reason: Chemical ‘A ’ cannot be alcohol it can ’t turn blue litmus to red. Chemical ‘B ’ is an acid. 22. (1) Reason: 3 2 2 3 Pb(NO ) 2KI PbI 2KNO (aq) ? ? ? ? ? ? (yellow ppt). 23. (4) Reason: 2 1 (neutral) 2 C O CO ? ? ? ? 22 (acidic) C O CO ? ? ? ? Page 4 KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS PHYSICS 1. A ( 2) 2.A ? ? ? ? Magnitude doubles & direction becomes opposite. (2) 2. Area under v - t graph ? change in displacement of the practical (3) 3. 4 mm 12 12 4 4 p mv mv vv ? ? 1 K 2 K 22 1 1 2 2 22 22 22 22 12 11 4 22 11 (4 ) 4 22 11 16 4 22 : 4 :1 K mv K mv m v mv mv mv KK ?? ?? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? (2) 4. (2) Real inverted diminished 5. (2) (A) ? correct (R) ? correct ? angle of incidence ? critical angle for TIR 6. 11 11 12 22 6.67 10 2 16 13 34 10 4 mm F G N R ? ? ? ? ? ? ? ? ? ? (2) 7. (1) 8. (1) F C KARNATAKA NTSE - STAGE 1 (2017) 9. (A) ? correct (B) ? correct Pressure proportional to density at constant temp (1) 10. 2 E mc ? ? ? ? ? ? ? 2 68 10 1 10 3 10 9 10 J ? ? ? ? ? ?? (4) 11. According to Ste fe n ’s law Radiation power ?T 4 ? On increasing the temperature by two time radiation power will increase by ? ? 4 2 16 ? times. (3) 12. In a half positive wave of input AC single upper diode will conduct and in next negative wave lower diode will conduct & it is called full wave rectifier. (2) 13. 1 11 Reg 3 3 3 ? ?? ?? ?? ? ?? 1 11 63 ? ?? ?? ?? ?? 2 ?? (4) KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS CHEMISTRY 14. (3) Fact 15. (1) Reason: Across the period size decreases, down the group size increases. 16. (4) Reason: Methane and Propane do not exhibit isomerism 17. (2) Reason: Indicator will have less wavelength in basic medium (R > Q > P) 18. (4) Reason: Method of preparation of silicon. 19. (2) Reason: 2 2 2 Ca 2H O Ca(OH) H ? ? ? ? ? (base) ? Shows pink colour in phenolphthalein 20. (3) Reason: a. Mg + CuO ? ? ? MgO + Cu Reduction b. Oxygen is displaced. 21. (2) Reason: Chemical ‘A ’ cannot be alcohol it can ’t turn blue litmus to red. Chemical ‘B ’ is an acid. 22. (1) Reason: 3 2 2 3 Pb(NO ) 2KI PbI 2KNO (aq) ? ? ? ? ? ? (yellow ppt). 23. (4) Reason: 2 1 (neutral) 2 C O CO ? ? ? ? 22 (acidic) C O CO ? ? ? ? KARNATAKA NTSE - STAGE 1 (2017) 24. (2) Reason: X is most electropositive Y is most electronegative So, type of bond formed is ionic. 25. (3) Reason: Methan has negative M.Pt & B.Pt. Ethanoic acid has positive M.Pt & B.Pt. 26. (4) (Fact) Page 5 KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS PHYSICS 1. A ( 2) 2.A ? ? ? ? Magnitude doubles & direction becomes opposite. (2) 2. Area under v - t graph ? change in displacement of the practical (3) 3. 4 mm 12 12 4 4 p mv mv vv ? ? 1 K 2 K 22 1 1 2 2 22 22 22 22 12 11 4 22 11 (4 ) 4 22 11 16 4 22 : 4 :1 K mv K mv m v mv mv mv KK ?? ?? ? ? ? ? ?? ? ? ? ? ? ? ? ? ? (2) 4. (2) Real inverted diminished 5. (2) (A) ? correct (R) ? correct ? angle of incidence ? critical angle for TIR 6. 11 11 12 22 6.67 10 2 16 13 34 10 4 mm F G N R ? ? ? ? ? ? ? ? ? ? (2) 7. (1) 8. (1) F C KARNATAKA NTSE - STAGE 1 (2017) 9. (A) ? correct (B) ? correct Pressure proportional to density at constant temp (1) 10. 2 E mc ? ? ? ? ? ? ? 2 68 10 1 10 3 10 9 10 J ? ? ? ? ? ?? (4) 11. According to Ste fe n ’s law Radiation power ?T 4 ? On increasing the temperature by two time radiation power will increase by ? ? 4 2 16 ? times. (3) 12. In a half positive wave of input AC single upper diode will conduct and in next negative wave lower diode will conduct & it is called full wave rectifier. (2) 13. 1 11 Reg 3 3 3 ? ?? ?? ?? ? ?? 1 11 63 ? ?? ?? ?? ?? 2 ?? (4) KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY & SOLUTIONS CHEMISTRY 14. (3) Fact 15. (1) Reason: Across the period size decreases, down the group size increases. 16. (4) Reason: Methane and Propane do not exhibit isomerism 17. (2) Reason: Indicator will have less wavelength in basic medium (R > Q > P) 18. (4) Reason: Method of preparation of silicon. 19. (2) Reason: 2 2 2 Ca 2H O Ca(OH) H ? ? ? ? ? (base) ? Shows pink colour in phenolphthalein 20. (3) Reason: a. Mg + CuO ? ? ? MgO + Cu Reduction b. Oxygen is displaced. 21. (2) Reason: Chemical ‘A ’ cannot be alcohol it can ’t turn blue litmus to red. Chemical ‘B ’ is an acid. 22. (1) Reason: 3 2 2 3 Pb(NO ) 2KI PbI 2KNO (aq) ? ? ? ? ? ? (yellow ppt). 23. (4) Reason: 2 1 (neutral) 2 C O CO ? ? ? ? 22 (acidic) C O CO ? ? ? ? KARNATAKA NTSE - STAGE 1 (2017) 24. (2) Reason: X is most electropositive Y is most electronegative So, type of bond formed is ionic. 25. (3) Reason: Methan has negative M.Pt & B.Pt. Ethanoic acid has positive M.Pt & B.Pt. 26. (4) (Fact) KARNATAKA NTSE - STAGE 1 (2017) ANSWER KEY BIOLOGY 27. (3) 28. (4) 29. (2) 30. (3) 31. (1) 32. (3) 33. (3) 34. (2) 35. (1) 36. (1) 37. (2) 38. (4) 39. (3) 40. (1)Read More
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