Physics Conversion of sound energy into electrical energy is done by Loudspeaker Microphone Solar cell Gramophone Loudspeaker Microphone Solar cell Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the surface tension phenomenon Oil is very light Of the diffusion of oil through the wick Of the capillary action phenomenon Of the surface tension phenomenon Oil is very light Of the diffusion of oil through the wick Of the capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: The densities of the liquid in the two vessels are equal. Both its limbs are of unequal length. The level of the liquid in the two vessels are at the same height. The temperature of the liquids in the two vessels are the same. The densities of the liquid in the two vessels are equal. Both its limbs are of unequal length. The level of the liquid in the two vessels are at the same height. The temperature of the liquids in the two vessels are the same. ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Orbital velocity of giant stars Brightness of heavenly bodies Astronomical distance Density of stars Orbital velocity of giant stars Brightness of heavenly bodies Astronomical distance Density of stars ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 2268 J 336 J 80 J 4.2 J 2268 J 336 J 80 J 4.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Centripetal force Centrifugal force Gravity Weight Centripetal force Centrifugal force Gravity Weight ANSWER DOWNLOAD EXAMIANS APP