Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Asbestos Celluloid Rubber Mica Asbestos Celluloid Rubber Mica ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Audible sounds Megasonics Infrasonics Ultrasonics Audible sounds Megasonics Infrasonics Ultrasonics ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of mirage Working of binoculars Formation of rainbow Twinkling of stars Formation of mirage Working of binoculars Formation of rainbow Twinkling of stars ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Distance Light Intensity of light Time Distance Light Intensity of light Time ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Electromagnetic Light Heat Sound Electromagnetic Light Heat Sound ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Expands Contracts It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Expands Contracts ANSWER DOWNLOAD EXAMIANS APP