Physics The energy of a photon varies directly with its Wave length None of these Speed Frequency Wave length None of these Speed Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Microwave Radio frequency Infrared Satellite Microwave Radio frequency Infrared Satellite ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into light signal Light signal into sound signal Current signal into sound signal Sound signal into current signal Sound signal into light signal Light signal into sound signal Current signal into sound signal Sound signal into current signal ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Water to glass Air to glass Glass to water Air to water Water to glass Air to glass Glass to water Air to water ANSWER DOWNLOAD EXAMIANS APP
Physics During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to Touch the nearest electric pole Abandon the car and take shelter under a nearby tree Get out of the car and lie flat in the ground Remain in the car Touch the nearest electric pole Abandon the car and take shelter under a nearby tree Get out of the car and lie flat in the ground Remain in the car ANSWER DOWNLOAD EXAMIANS APP