Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has high temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Which is a correct way to measure wavelength? Nearest trough to peak Nearest peak to nearest trough None of these Nearest peak to peak Nearest trough to peak Nearest peak to nearest trough None of these Nearest peak to peak 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 depth of the wall Increases with height of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with depth of the wall Increases with height of the wall Depends on the area of the wall Depends on the thickness of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Microwaves Infrared rays Radio waves Ultraviolet rays Microwaves Infrared rays Radio waves Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Transmitter Microphone Speaker Amplifier Transmitter Microphone Speaker Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Diffraction of light Interference of light Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light Reflection by hot ground Total internal reflection by layers of air ANSWER DOWNLOAD EXAMIANS APP