Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level does not change The bell jar breaks up The mercury level starts rising The mercury level starts falling The mercury level does not change The bell jar breaks up The mercury level starts rising The mercury level starts falling ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Physical dimension of television screen Velocity of transmitted signal Size of picture tube Frequency of transmitted signal Physical dimension of television screen Velocity of transmitted signal Size of picture tube Frequency of transmitted signal ANSWER DOWNLOAD EXAMIANS APP
Physics When heated from 0 to 100oC volume of a given mass of water will : Increase gradually Increase and then will decrease Decrease and then will increase Decrease gradually Increase gradually Increase and then will decrease Decrease and then will increase Decrease gradually ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following ray has minimum wavelength Utraviolet ray X-rays Gamma ray Cosmic ray Utraviolet ray X-rays Gamma ray Cosmic ray ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
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