Physics Which of the following is optical illusion? Halo Earthshine Rainbow Mirage Halo Earthshine Rainbow Mirage ANSWER DOWNLOAD EXAMIANS APP
Physics The dimensional formula for universal gravitational constant is M–2 M–1L3T–2 ML2T–2 M 1L3T2 M–2 M–1L3T–2 ML2T–2 M 1L3T2 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m2 Kg/m Kg/m3 It has no unit Kg/m2 Kg/m Kg/m3 It has no unit ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 2 1 0.5 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP