Physics What is the reason for twinkling of stars ? Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Time Velocity of light Space Length of an object Time Velocity of light Space Length of an object ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's Third law Second law Fourth law First law Third law Second law Fourth law First law ANSWER DOWNLOAD EXAMIANS APP
Physics 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 36 m/s 18 m/s 30 m/s 25 m/s 36 m/s 18 m/s 30 m/s 25 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Acceleration Zero gravity Inertia None of these Acceleration Zero gravity Inertia None of these ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Its kinetic energy remains constant Its momentum remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant Its kinetic energy remains constant Its momentum remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
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