Physics The threshold frequency is the frequency below which : Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage Photo current is constant ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Doppler effect Beats Echo Resonance Doppler effect Beats Echo Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Interference of light Reflection by hot ground Diffraction of light Total internal reflection by layers of air Interference of light Reflection by hot ground Diffraction of light Total internal reflection by layers of air ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ Schottky diode Tunnel diode P-N Juction diode Photo diode Schottky diode Tunnel diode P-N Juction diode Photo diode ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of Astronomical Distance ? Para/sec Metre/sec Sec Parsec Para/sec Metre/sec Sec Parsec ANSWER DOWNLOAD EXAMIANS APP
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