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 a very low specific heat Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has a very low specific heat Has low temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics What is the full form of "RADAR" ? Region Device and Ranging Radio Detect and Rangs Radio Device and Ranging Radio Detecting and Ranging Region Device and Ranging Radio Detect and Rangs Radio Device and Ranging Radio Detecting and Ranging ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because A parachute has a larger surface area and air resistance is more Stone is heavier than parachute None of these Special mechanisms are present in parachute A parachute has a larger surface area and air resistance is more Stone is heavier than parachute None of these Special mechanisms are present in parachute ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Edison Effect Piezo - electric Effect Johnson Effect Photoelectric Effect Edison Effect Piezo - electric Effect Johnson Effect Photoelectric Effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Infrared rays Radio waves Microwaves Gamma rays Infrared rays Radio waves Microwaves Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Insulator Semi-conductor Super-conductor Metallic-conductor Insulator Semi-conductor Super-conductor Metallic-conductor ANSWER DOWNLOAD EXAMIANS APP
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