Physics The commonly used coolant in refrigerators is Nitrogen Freon Oxygen Ammonia Nitrogen Freon Oxygen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be P/3 3P P 2p/ 3 P/3 3P P 2p/ 3 ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : In all directions Heating the medium through which it passes In a straight line With the speed of light In all directions Heating the medium through which it passes In a straight line With the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Hydrogen gas Water Vacuum Glass Hydrogen gas Water Vacuum Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Pressure Humidity Density Temperature Pressure Humidity Density Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve = Vp Ve > Vp Ve < Vp Cannot be determined Ve = Vp Ve > Vp Ve < Vp Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
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