Physics The frequency of direct current is ________ Zero 50 HZ 100 HZ 60 HZ Zero 50 HZ 100 HZ 60 HZ 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 Beats Doppler effect Echo Resonance Beats Doppler effect Echo Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement describes the pressure of a gas? 450 mm Hg 315 K 251 g/cub.cm None of these 450 mm Hg 315 K 251 g/cub.cm None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If a band is played on the moon the sound will Reverberate 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Power of a lens Focal length of a lens Light intensity Sound intensity Power of a lens Focal length of a lens Light intensity Sound intensity ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Absorption of other colours except blue by water molecules Reflection of blue light by impurities in sea water Scattering of blue light by water molecules Reflection of blue sky by sea water Absorption of other colours except blue by water molecules Reflection of blue light by impurities in sea water Scattering of blue light by water molecules Reflection of blue sky by sea water ANSWER DOWNLOAD EXAMIANS APP
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