Physics Carbon Arc lamps are commonly used in Domestic lighting Cinema projectors Vehicles Photography Domestic lighting Cinema projectors Vehicles Photography ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : 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 Photo current increases with voltage Photo electric emission is not possible Photo current is constant ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase speed of neutron Absorb neutron Increase temperature Slow down neutron Increase speed of neutron Absorb neutron Increase temperature Slow down neutron ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Transmitter Speaker Amplifier Microphone Transmitter Speaker Amplifier Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute refractive index of any medium is always: 1 More than one Less than one 1 More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these ANSWER DOWNLOAD EXAMIANS APP
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