Physics According to the theory of relativity, which of the following always remains constant ? Length of an object Velocity of light Space Time Length of an object Velocity of light Space Time ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is indicated by the colour of a star ? Size Temperature Distance Weight Size Temperature Distance Weight ANSWER DOWNLOAD EXAMIANS APP
Physics Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as Joule effect Peltier effect Seebeck effect Thomson effect Joule effect Peltier effect Seebeck effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Physics One can distinguish a telescope from a microscope by observing Length Size of the lens Length and size of the lens Colour Length Size of the lens Length and size of the lens Colour ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Weight Both (A) and (B) Mass Upthrust Weight Both (A) and (B) Mass Upthrust ANSWER DOWNLOAD EXAMIANS APP