Physics The rate of change of linear momentum of a body falling freely under gravity is equal to it's ________ ? Weight Potential Energy Impulse Kinetic Energy Weight Potential Energy Impulse Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Adhesive force Viscosity Surface energy Surface tension Adhesive force Viscosity Surface energy Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Becomes half Become 4 times Becomes 1/4 th Is also doubled Becomes half Become 4 times Becomes 1/4 th ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . The centripetal force Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between ANSWER DOWNLOAD EXAMIANS APP
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