Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Rough white Shining white Rough black Shining black Rough white Shining white Rough black Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following scientific discoveries was made by C.V. Raman? Inelastic scattering of light by molecules Controlled nuclear fission Cyclotron Super Conductivity Inelastic scattering of light by molecules Controlled nuclear fission Cyclotron Super Conductivity 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 higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics The safest hammers are those with heads that are Cast steel and chiseled Chiseled and drop forged Welded and alloyed Alloy and drop-forged steel Cast steel and chiseled Chiseled and drop forged Welded and alloyed Alloy and drop-forged steel ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will First decrease and then increase Decrease Increase Remains the same First decrease and then increase Decrease Increase Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Virtual image Inverted image Erect image Real image Virtual image Inverted image Erect image Real image ANSWER DOWNLOAD EXAMIANS APP