Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum 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 Depends on the speeds of various fragments Is zero Depends on the total mass of all the fragments ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest frequency? Indigo Violet Red Green Indigo Violet Red Green ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice At the top of a mountain At the sea level Under a mine Same anywhere At the top of a mountain At the sea level Under a mine Same anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with increase of temperature Increases with decrease of temperature Does not depend on temperature Decreases with decrease of temperature Decreases with increase of temperature Increases with decrease of temperature Does not depend on temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 400 J 200 J 100 J 0 J 400 J 200 J 100 J 0 J ANSWER DOWNLOAD EXAMIANS APP