Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 1 MeV 0.1 MeV 100 MeV 10 MeV 1 MeV 0.1 MeV 100 MeV 10 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics Frictional force acts in The opposite direction of the motion All the directions The same direction as the motion Upward direction The opposite direction of the motion All the directions The same direction as the motion Upward direction ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Micro waves M. Radio waves Frequency of 1016 series Micro waves M. Radio waves Frequency of 1016 series ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer by conduction occurs when molecules Combine None of these Collide Heated Combine None of these Collide Heated ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Hygrometer Sonometer Barometer Hydrometer Hygrometer Sonometer Barometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP