Physics Ultrasound devices operate with minimum frequency from 60 kHz 45 kHz 20kHz 35 kHz 60 kHz 45 kHz 20kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Will dissolve in mercury Sink in mercury Will be on the surface of mercury Will be partly immersed mercury Will dissolve in mercury Sink in mercury Will be on the surface of mercury Will be partly immersed mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Bad absorber and bad radiator of heat Non-absorber of heat Good absorber and good radiator of heat Good reflector of heat Bad absorber and bad radiator of heat Non-absorber of heat Good absorber and good radiator of heat Good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The refractive index of a transparent medium is maximum for Red light Green light Violet light Yellow light Red light Green light Violet light Yellow light ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement describes the pressure of a gas? None of these 315 K 450 mm Hg 251 g/cub.cm None of these 315 K 450 mm Hg 251 g/cub.cm ANSWER DOWNLOAD EXAMIANS APP
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