Physics A mirage occurs because of Reflection by hot ground Diffraction of light Total internal reflection by layers of air Interference of light Reflection by hot ground Diffraction of light Total internal reflection by layers of air Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Viscous force exerted by air Upward thrust due to air Air current Surface tension Viscous force exerted by air Upward thrust due to air Air current Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 N 1568 J 1568 W 1568 C 1568 N 1568 J 1568 W 1568 C ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to None of these The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly None of these The chemical reaction between the gases inside the bulb The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It is ready to produce controlled energy It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is broader at the base Because streamlining is required To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases with depth To withstand pressure that increases in a horizontal plane Because streamlining is required To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases with depth To withstand pressure that increases in a horizontal plane ANSWER DOWNLOAD EXAMIANS APP
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