Physics Electric current is measured by which instrument? Voltmeter Sinometer Ammeter Barometer Voltmeter Sinometer Ammeter Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough The bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough The bell jar is too small ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 11.2 km/sec 12.2 km/sec 13.2 km/sec 10.2 km/sec 11.2 km/sec 12.2 km/sec 13.2 km/sec 10.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of sound ships aircraft spacecraft sound ships aircraft spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics If a band is played on the moon the sound will Be heard upto 10km from it Not be heard at any distance at all from it Be heard by us faintly Reverberate Be heard upto 10km from it Not be heard at any distance at all from it Be heard by us faintly Reverberate ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 1 × 10–10 0.001 0.01 1 × 1010 1 × 10–10 0.001 0.01 ANSWER DOWNLOAD EXAMIANS APP
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