Mohan Lal Sukhadia University Model Question Paper TDC Exam Physics : www.mlsu.ac.in

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Document Described : Mohan Lal Sukhadia University
Model Paper
FIRST YEAR T.D.C. EXAMINATION, 2012
(FACULTY OF SCIENCE)
PHYSICS
Paper I
(Mechanics of Particles, Rigid Bodies and Continuous Media)
NB : Symbols have their usual meaning.
Time : Three hours Maximum Marks : 75

PART - A [Marks : 45]
Time : One and half hours
Answer all questions. All questions carry equal marks. Each question in this section have answers given as four choices marked as a, b, c, d, out of which only one will be the correct answer.

PART - B [Marks : 50]
Time : One and half hours

Model Question List : http://mlsu.ac.in/model/B.Sc.html
Model Question Paper : http://mlsu.ac.in/model/Model%20PDF/...HY-PAPER-1.pdf

Answer any three questions out of five. All questions carry equal marks.
PART - A

1. Newton's first law of motion defines
(a) Momentum (b) Energy
(c) Inertia (d) Force

2. Law of conservation of energy states that
(a) Energy can be neither created nor destroyed and can only change from one form to another
(b) Energy can be created but not destroyed
(c) Energy can be destroyed but not created
(d) Energy cannot be changed from one from to another

3. Rotating frames of reference are :
(a) Accelerated frames of reference
(b) Non-inertial frames of reference
(c) Direct application of Newton's second law is not possible
(d) All of the above

4. Centripetal force is
(a) Real (b) Fictitious
(c) Due to linear motion (d) Due to linear acceleration

5. Which of the following is true? Coriolis force :
(a) Acts in an inertial frame of reference
(b) Acts on a body at rest in a non-inertial frame of reference
(c) Acts on a moving body in a non-inertial frame of reference
(d) None of the above

6. A pendulum oscillates at a place on the earth at 30° latitude. The time
taken by the plane of oscillation to rotate through 90° is
(a) 12 h (b) 6 h
(c) 15 h (d) 20 h

7. Gravitational force is a ________ force :
(a) Fictitious (b) Dissipative
(c) Repulsive (d) Central

8. Under central force :
(a) Linear momentum is conserved
(b) Angular momentum is conserved
(c) Speed is constant
(d) Angular velocity is constant

9. Kepler's laws pertain to
(a) Movement of electrons around nucleus
(b) Molecular vibrations
(c) Planetary motion
(d) Electromagnetic radiations

10. Two masses are able to exert gravitational forces on each other due to :
(a) External force between them
(b) Internal force between them
(c) Gravitational field which exists between them
(d) Adhesive force between them

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