Physics The velocity of heat radiation in vacuum is Less than that of light Equal to that of light Greater than that of light Equal to that of sound Less than that of light Equal to that of light Greater than that of light Equal to that of sound ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 0 – 5 Hz 6 – 10 Hz 11 – 20 Hz 20 – 20000 Hz 0 – 5 Hz 6 – 10 Hz 11 – 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. They contain free electrons. All of these The atoms are lightly packed. They have high melting point. They contain free electrons. All of these The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Cyclotron Van de Graft Generator Synchrotron Betatron Cyclotron Van de Graft Generator Synchrotron Betatron ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail 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