Physics The time period of a seconds pendulum is 1.5 second 1 second 0.5 second 2 seconds 1.5 second 1 second 0.5 second 2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 0 – 5 Hz 11 – 20 Hz 20 – 20000 Hz 6 – 10 Hz 0 – 5 Hz 11 – 20 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Loudspeaker Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics One watt-hour is equivalent to 3.6 x 103 J 3.6 x 10-3 J 6.3 x 103 J 6.3 x 10-7 J 3.6 x 103 J 3.6 x 10-3 J 6.3 x 103 J 6.3 x 10-7 J ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Nichrome Copper Platinum Pure silicon Nichrome Copper Platinum Pure silicon ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to Nuclear fission All of these Chemical reaction Nuclear fusion Nuclear fission All of these Chemical reaction Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP