Physics The time period of a seconds pendulum is 1 second 0.5 second 1.5 second 2 seconds 1 second 0.5 second 1.5 second 2 seconds 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 are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very narrow The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very wide The forbidden energy gap is very narrow The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very wide ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of rainbow Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow Formation of mirage Working of binoculars Twinkling of stars ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of the wheels of a bullock-cart while moving on the road is an example of Translatory motion only Translatory and rotatory motion Oscillatory and translatory motion Oscillatory and rotatory motion Translatory motion only Translatory and rotatory motion Oscillatory and translatory motion Oscillatory and rotatory motion ANSWER DOWNLOAD EXAMIANS APP
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