Physics In which form is the supplied heat energy stored during change in temperature of substance? Potential energy Heat energy Kinetic energy Both kinetic and potential energy Potential energy Heat energy Kinetic energy Both kinetic and potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective lens mirror combinations of lenses None of these lens mirror combinations of lenses None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Increase Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The flux commonly used in brazing is Resin plus alcohol Borax Ammonium chloride Zinc chloride Resin plus alcohol Borax Ammonium chloride Zinc chloride ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: cohesion of water is greater than its adhesion with glass. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. ANSWER DOWNLOAD EXAMIANS APP
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