Physics The word "Physics" comes from the Greek word Phusik Phiji Fusis None of these Phusik Phiji Fusis None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is The wavelength of noise A measure of sound level A musical note A musical instrument The wavelength of noise A measure of sound level A musical note A musical instrument 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) 0 J 400 J 200 J 100 J 0 J 400 J 200 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics The reverse effect of X–ray emission is Raman effect Compton effect Zeeman effect Photoelectric Raman effect Compton effect Zeeman effect Photoelectric ANSWER DOWNLOAD EXAMIANS APP