Physics Rainbow is seen after rain because of hanging molecules of water which act as Slabs Prisms Mirrors Lenses Slabs Prisms Mirrors Lenses ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ Water freezes Molecular motion in a gas would cease All gases become solid All gases become liquid Water freezes Molecular motion in a gas would cease All gases become solid All gases become liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Regular reflection of light Refraction of light Total internal reflection of light Diffuse reflection of light Regular reflection of light Refraction of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to air Water to glass Glass to air Glass to water Water to air Water to glass Glass to air Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics Time of exposure required for taking photograph of an object depends upon the Proximity of object Brightness of the object Size of the object Skill of photographer Proximity of object Brightness of the object Size of the object Skill of photographer ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 2268 J 4.2 J 336 J 80 J 2268 J 4.2 J 336 J 80 J ANSWER DOWNLOAD EXAMIANS APP