Physics Which physicists is the writer of the book 'A Brief History of Time'? Stephen Hawking Albert Einstein Hans Bethe Isaac Newton Stephen Hawking Albert Einstein Hans Bethe Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant velocity Varying acceleration Constant acceleration Constant speed Constant velocity Varying acceleration Constant acceleration Constant speed ANSWER DOWNLOAD EXAMIANS APP
Physics A device which is used to limit the current in an electrical circuit is called a Fuse Conductor Hub Grid Fuse Conductor Hub Grid ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Boyle's-cycle Otto-cycle Diesel-cycle Carnot-cycle Boyle's-cycle Otto-cycle Diesel-cycle Carnot-cycle ANSWER DOWNLOAD EXAMIANS APP
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