Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Micro waves M. Frequency of 1016 series Radio waves Micro waves M. Frequency of 1016 series Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Megasonics Ultrasonics Audible sounds Infrasonics Megasonics Ultrasonics Audible sounds Infrasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following terms is not used in the field of physics? Refractive index Nuclear fusion Stock value Latent heat Refractive index Nuclear fusion Stock value Latent heat ANSWER DOWNLOAD EXAMIANS APP
Physics Lux is the SI unit of intensity of illumination luminous flux luminous efficiency luminous intensity intensity of illumination luminous flux luminous efficiency luminous intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? X-ray tube Coolidge tube Roentgen None of these X-ray tube Coolidge tube Roentgen None of these ANSWER DOWNLOAD EXAMIANS APP