Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape Due to surface tension 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 its shape Due to surface tension 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear reactors used to produce electricity are based on Superconductivity Nuclear fusion Nuclear fission Cold fusion Superconductivity Nuclear fusion Nuclear fission Cold fusion ANSWER DOWNLOAD EXAMIANS APP
Physics Which planet has the lowest density? Jupiter Saturn Neptune Earth Jupiter Saturn Neptune Earth ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called supersonics audio sounds ultrasonic infrasonic supersonics audio sounds ultrasonic infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer horizontally within the atmosphere is called Conduction Convection Absorption Advection Conduction Convection Absorption Advection ANSWER DOWNLOAD EXAMIANS APP
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