Physics The light rays used for eliminating bacteria Ultra-violet radiation Infrared rays X-rays Microwave radiation Ultra-violet radiation Infrared rays X-rays Microwave radiation ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Sound wave X-ray Ultra-sound wave Magnetic wave Sound wave X-ray Ultra-sound wave Magnetic wave ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Sound Light Heat Electromagnetic Sound Light Heat Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Depends on the impurities in the ice Increases Does not change Decreases Depends on the impurities in the ice Increases Does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall ANSWER DOWNLOAD EXAMIANS APP