Physics In MRI machine, which one of the following is used? X-ray Magnetic wave Ultra-sound wave Sound wave X-ray Magnetic wave Ultra-sound wave Sound wave 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 : Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 336 J 80 J 2268 J 4.2 J 336 J 80 J 2268 J 4.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics Water drops cannot stick to the oily surface due to Surface tension Cannot mix each other Water is lighter than oil Lack of adhesive force Surface tension Cannot mix each other Water is lighter than oil Lack of adhesive force ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is an instrument meant for measuring ________ Air masses Wind speed Velocity Temperature Air masses Wind speed Velocity Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Refrigeration is a process which Inactivates the bacteria Kills bacteria Slows down the bacterial growth Plasmolyses the bacteria Inactivates the bacteria Kills bacteria Slows down the bacterial growth Plasmolyses the bacteria ANSWER DOWNLOAD EXAMIANS APP