The collision between two bodies be elastic if bodies are_________________?

Related Mcqs:

1. When collision between the bodies in a system is inelastic in nature then for system ____________________?

   A. momentum changes but K.E remain conserve
   B. K.E changes but momentum remain conserve
   C. both momentum and K.E changes
   D. both momentum and K.E remain conserve

2. A certain stress applied to an elastic material produces a certain strain in it. If the elastic limit is not exceeded the energy gained per unit volume of the material is given by_________________?

   A. Stress/strain
   B. (stress/strain)
   C. Stress x strain
   D. (Stress / strain)

3. Motorcycle safety helmet extends the time of collision hence decreasing the________________?

   A. chance of collision
   B. force acting
   C. velocity
   D. impulse

4. When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are________________?

   A. 5m/s, 1m/s
   B. 3m/s, 3m/s
   C. 6m/s, 1m/s
   D. 4m/s, 2m/s

5. When we excite some atoms by heat collision or electrical discharge they will________________?

   A. radiate electromagnetic energy with a continuous distribution of wavelength
   B. absorb particular wavelengths when white light is incident on them
   C. radiate electromagnetic energy of discrete characteristic wavelength
   D. emit either invisible or visible light

6. What is the force of attraction between any two bodies by virtue of their masses is called?

   A. Electromagnetic Force
   B. Gravitational Force
   C. Centripetal Force
   D. Nuclear Force

   Submitted by: Nayab Idrees

7. The dimension of elastic modulus is ___________________ ?

   A. ML-1T-2
   B. ML-2T-2
   C. MLT-2
   D. ML2T-2

8. When a force is applied at one end of an elastic wire it produces at strain ∝ in the wire. If y is the youngs modulus of the material of the wire the amount of energy stored per unit volume of the wire is given by_________________?

   A. Y∝
   B. 2Y∝
   C. Y∝/2
   D. Y∝2

9. A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?

   A. FE
   B. (FE)
   C. FE2/L
   D. FE2

10. The scales of temperature are based on two fixed points which are_________________?

    A. The temperatures of water at 0? 100?C
    B. The temperature of melting ice and boiling water at atmospheric pressure
    C. The temperatures of ice cold and boiling water
    D. The temperatures of frozen and boiling mercury