Physics Which of the following is not true about X-rays? Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what Increasing pressure None No pressure Decreasing pressure Increasing pressure None No pressure Decreasing pressure ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Newton Heartz Tesla Decibel Newton Heartz Tesla Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very wide There is no conduction band The forbidden energy gap is very narrow The valence band and the conduction band overlap each other The forbidden energy gap is very wide There is no conduction band The forbidden energy gap is very narrow The valence band and the conduction band overlap each other ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is a decrease in air pressure on the hills There is less oxygen It is cold on the hills There is less carbon dioxide on the hills There is a decrease in air pressure on the hills There is less oxygen It is cold on the hills There is less carbon dioxide on the hills ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Microphone Amplifier Speaker Transmitter Microphone Amplifier Speaker Transmitter ANSWER DOWNLOAD EXAMIANS APP