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Physics 28 Years Past year papers for NEET/AIPMT Class 11

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The document Notes | EduRev is a part of the Class 11 Course Physics 28 Years Past year papers for NEET/AIPMT Class 11.
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Q.1. Taking into account of the significant figures, what is the value of 9.99 m-0.0099 m?    [2020]
A: 9.980 m
B: 9.9 m
C: 9.9801 m
D: 9.98 m

Ans: D
 Notes | EduRev
As per rule
least no. of place in decimal portion of any number 9.98

Q.2. In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4% respectively. Then the maximum percentage of error in the measurement X, where  Notes | EduRev will be     [2019]
A:  Notes | EduRev
B: 16 %
C: -10 %
D: 10 %
Ans:
B
Given
 Notes | EduRev
 Notes | EduRev
  Notes | EduRev
 Notes | EduRev
= 2% + 1%+ 1%+ 12%= 16%

Q.3. A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular scale division coincides with 25 divisions above the reference level. If screw gauge has a zero error of – 0.004 cm, the correct diameter of the ball is :-    [2018]
A: 0.521 cm
B: 0.525 cm
C: 0.053 cm
D: 0.529 cm

Ans: D
Solution:
Reading of screw gauge
= MSR + VSR × LC + zero error
= 0.5 cm + 25 × 0.001 cm + 0.004 cm
= 0.529 cm

Q.4. A physical quantity of the dimensions of length that can be formed out of  Notes | EduRev is velocity of light, G is universal constant of gravitation and e is charge] :-    [2017]


A:  Notes | EduRev
B:  Notes | EduRev
C:  Notes | EduRev
D:  Notes | EduRev
Ans: D
Solution:

 Notes | EduRev

Q.5. If energy (E), velocity (V) and time (T) are chosen as the fundamental quantities, the dimensional formula of surface tension will be:    [2015]
A: [E-2 V-1 T-3]
B: [E V-2 T-1]
C: [E V-1 T-2]
D: [E V-2 T-2]
Ans:
D
Solution:
 Notes | EduRev

Q.6. If force (F), velocity (V) and time(T) are taken as fundamental units, then the dimensions of mass are:    [2014]
A: [F V−1 T−1]
B: [F V−1 T]
C: [F V T−1]
D: [F V T−2]
Ans:
B
Solution:
 Notes | EduRev


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