Q801
Open questionWhat is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
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Q802
Open questionThe force that keeps a body in a circular motion called
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Q803
Open questionIt is easier to carry two buckets of water in one hand each, than to carry only one in one hand because
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Q804
Open questionThe working of a rocket is based on the principle of:
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Q805
Open questionA bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments
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Q806
Open questionA man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ?
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Q807
Open questionTwo stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen?
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Q808
Open questionThe dimension of which of the following is the same as that of impulse ?
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Q809
Open questionAn object covers distance which is directly proportional to the square of the time. Its accelaration is
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Q810
Open questionA bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun.
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Q811
Open questionIf an electron and a photon have the same wavelength, then they will have the same
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Q812
Open questionA 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
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Q813
Open questionRain drops fall from great height. Which among the following statements is true regarding it?
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Q814
Open questionA 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 ?
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Q815
Open questionA particle is thrown vertically upward. When it reaches the highest point, it has
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Q816
Open questionThe quantity that is not conserved in an inelastic collision is
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Q817
Open questionThe dimension MLT–2 corresponds to
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Q818
Open questionIf lift is going up with acceleration, the apparent weight of a body is
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Q819
Open questionThe force that generates wind is
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Q820
Open questionA 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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