Physics Sound cannot pass through Vacuum Air Steel Water Vacuum Air Steel Water ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Red oxide Mercury Silver Silver nitrate Red oxide Mercury Silver ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Velocity Amplitude Frequency Wavelength Velocity Amplitude Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates mechanical energy Converts mechanical energy into electrical energy Creates electrical energy Converts electrical energy into mechanical energy Creates mechanical energy Converts mechanical energy into electrical energy Creates electrical energy Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Change in dimension only Fixed frequency Fixed dimension Change in frequency and dimension Change in dimension only Fixed frequency Fixed dimension Change in frequency and dimension ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels faster in moist air Moist air absorbs sound Moist air does not absorb sound Sound travels slowly in moist air Sound travels faster in moist air Moist air absorbs sound Moist air does not absorb sound Sound travels slowly in moist air ANSWER DOWNLOAD EXAMIANS APP