Physics Which of the following has the highest frequency? Microwaves Radio waves X-rays Cosmic rays Microwaves Radio waves X-rays Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Kerosene, Ice, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Kerosene, Ice, Benzene, Rock Salt ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass pieces Steel Stone chips Glass - wool Glass pieces Steel Stone chips Glass - wool ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Iron, air and water Iron, water and air Air, water and iron Water, iron and air Iron, air and water Iron, water and air Air, water and iron ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It is shut down to avoid explosion It is ready to produce controlled energy It stops due to malfunctioning It starts emitting dangerous radioactive radiations It is shut down to avoid explosion It is ready to produce controlled energy It stops due to malfunctioning It starts emitting dangerous radioactive radiations ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following does the centre of mass lie outside the body? A fountain pen A book A cricket ball A ring A fountain pen A book A cricket ball A ring ANSWER DOWNLOAD EXAMIANS APP