National Standard Examination in Physics (NSEP) Solved Paper 2016 Part-4

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Q: 12. A particle at rest explodes into two fragments of masses which move apart with nonzero velocities. If are their de-Broglie wavelengths respectively, then

(A)

(B)

(C)

(D) Data insufficient

Answer: (C)

Q: 13. Consider the following two statements about a tyre of a car.

Statement A: ‘The horizontal road surface is exactly tangential to the tyre.’

Statement B: The tyre is inflated with excess pressure.’

Which of the following alternatives is correct?

(A) Statement A is the result of statement B

(B) Statement B cannot be true

(C) Statement A cannot be true

(D) Neither of the statements A and is true

Answer: (C)

Q: 14. The left side front tyre was observed to be in contact with the road over a length L cm. The value of L is

(A) 8.85 cm

(B) 9.35

(C) 11.36

(D) 10.35 cm

Answer: (C)

Q: 15. When five persons occupy the seats, Lincreases by 2.5 cm. The average weight of a person is

(A)

(B)

(C)

(D)

Answer: (A)

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