Physics Steam at 100°C causes more severe burns than water at 100°C because Water has latent heat of fusion Water has no specific heat capacity Steam has no specific heat capacity Steam has latent heat of vaporisation Water has latent heat of fusion Water has no specific heat capacity Steam has no specific heat capacity Steam has latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R R/2 5R/4 3R/4 2R R/2 5R/4 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Equal to the true weight May be more or less than true weight Less than the true weight More than the true weight Equal to the true weight May be more or less than true weight Less than the true weight More than the true weight ANSWER DOWNLOAD EXAMIANS APP
Physics In which form is the supplied heat energy stored during change in temperature of substance? Both kinetic and potential energy Potential energy Heat energy Kinetic energy Both kinetic and potential energy Potential energy Heat energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics When a body falls from an aeroplane, there is increase in its Potential energy Kinetic energy Acceleration Mass Potential energy Kinetic energy Acceleration Mass ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum ANSWER DOWNLOAD EXAMIANS APP
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