11. If an electron and a photon have the same wavelength, then they will have the same
12. A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of
13. Rain drops fall from great height. Which among the following statements is true regarding it?
14. A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ?
15. A particle is thrown vertically upward. When it reaches the highest point, it has
16. The quantity that is not conserved in an inelastic collision is
17. The dimension MLT–2 corresponds to
18. If lift is going up with acceleration, the apparent weight of a body is
19. The force that generates wind is
20. A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be
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