Physics The surface tension of water on adding detergent to it Increases No change Becomes zero Decreases Increases No change Becomes zero Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Astronomical distance Density of stars Brightness of heavenly bodies Orbital velocity of giant stars Astronomical distance Density of stars Brightness of heavenly bodies Orbital velocity of giant stars ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 0.3 m 300 m 3 m 30 m 0.3 m 300 m 3 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Ionosphere Stratosphere Ozonosphere Mesosphere Ionosphere Stratosphere Ozonosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Stationary wave is formed by A transverse wave superposing a longitudinal wave Two waves of same frequency travelling in the opposite direction Two waves of the same speed superposing Two waves of same frequency travelling in the same direction A transverse wave superposing a longitudinal wave Two waves of same frequency travelling in the opposite direction Two waves of the same speed superposing Two waves of same frequency travelling in the same direction ANSWER DOWNLOAD EXAMIANS APP
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