Promote Physics

Model Paper MCQs Solution

1. $A_y=Acos\theta$
2. cannot be replaced by a single equivalent force
3. less force is needed by the user
4. remain in the spacecraft
5. the height and the time of fall
6. the total K.E after impact is  $mv^2$
7. The total energy of the ball is constant throughtout the motion
8. Polarization
9. The limiting friction is less than the required centripetal force
10. Longitudinal and Stationary
11. Wavelength of sound is greater than that of light waves
12. The amplitude of oscillations gradually decreases
13. produce the state of stable equilibrium
14. a monochromatic source of red light be used
15. very short focal length and converging properties
16. has a definite quality
17. it is constant but not zero