Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: When it is just on the half-way When it touches the ground Just after it is dropped Just before it touches the ground When it is just on the half-way When it touches the ground Just after it is dropped Just before it touches the ground ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Depends on the speeds of various fragments Is zero Depends on the total mass of all the fragments Is infinity Depends on the speeds of various fragments Is zero Depends on the total mass of all the fragments Is infinity ANSWER DOWNLOAD EXAMIANS APP
Physics The energy stored in a watch spring is Chemical energy Kinetic energy Potential energy Heat energy Chemical energy Kinetic energy Potential energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not an aerosol? Fog Dust Smoke Mud Fog Dust Smoke Mud ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Unchanged Increases Decreases Depends upon the metal Unchanged Increases Decreases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
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