300+ TOP MCQs on Conservation of Energy and Momentum and Answers

NEET  Physics is the very imporatant paper in the Medical Entrance EXAM. So these NEET Physics MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Physics objective questions on air pollution . NEET Physics Conservation of Energy and Momentum Multiple Choice Questions

MCQs on Conservation of Energy and Momentum :

1. Work done in raising a box depends on
(A) How fast it is raised
(B) The strength of the man
(C) The height by which it is raised
(D) None of the above

Answer

Answer: (C) The height by which it is raised

2. A light and a heavy body have equal momenta. Which one has greater kinetic energy?
(A) The light body
(B) The heavy body
(C) The kinetic energy is equal
(D) Data is incomplete

Answer

Answer: (A) The light body

3. A body at rest may have
(A) Energy
(B) Momentum
(C) Speed
(D) Velocity

Answer

Answer: (A) Energy

4. If the momentum of a body is increased n times, its kinetic energy increase
(A) n times
(B) 2n times
(C) n³ times
(D) n² times

Answer

Answer: (D) n² times

5. When work is done on a body by an external force, its
(A) kinetic energy increases
(B) potential energy increases
(C) Both kinetic energy and potential energy increases
(D) Sum of the kinetic energy and potential energy remains constant

Answer

Answer: (C) Both kinetic energy and potential energy increases

6. If the K.E of a body is increased by 300% its momentum will increase by
(A) 100%
(B) 150%
(C) 200%
(D) 175%

Answer

Answer: (A) 100 %

7. A light and a heavy body have equal kinetic energy. Which one has a greater momentum?
(A) The light body
(B) The heavy body
(C) Both have equal momentum
(D) It is not possible to say anything without additional information

Answer

Answer: (B) The heavy body

8. If the linear momentum is increased by 50% the kinetic energy will increase by
(A) 50%
(B) 100%
(C) 125%
(D) 25%

Answer

Answer: (C) 125%

9. If the stone is thrown up vertically and return to the ground, its potential energy is maximum
(A) During the upward journey
(B) At the maximum height
(C) During the return journey
(D) At the bottom

Answer

Answer: (B) At the maximum height

10. The energy stored in wound watch spring is
(A) K.E
(B) P.E
(C) Heat Energy
(D) Chemical Energy

Answer

Answer: (B) P.E