Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current increases with voltage Photo current decreases with voltage Photo current is constant Photo electric emission is not possible Photo current increases with voltage Photo current decreases with voltage Photo current is constant ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 0 J 400 J 200 J 100 J 0 J 400 J 200 J ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Weber Henry/meter Henry Weber/meter Weber Henry/meter Henry Weber/meter ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Hans Bethe Isaac Newton Stephen Hawking Albert Einstein Hans Bethe Isaac Newton Stephen Hawking Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Radio waves Microwaves Gamma rays Infrared rays Radio waves Microwaves Gamma rays Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics Gravitational force is maximum at which place Tropic of cancer Tropic of capricorn Poles Equator Tropic of cancer Tropic of capricorn Poles Equator ANSWER DOWNLOAD EXAMIANS APP
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