Physics During hot weather, the fan produces a feeling of comfort. This is because Fan supplies cool air Our perspiration eva-porates rapidly Conductivity of air increases Fan cools the air Fan supplies cool air Our perspiration eva-porates rapidly Conductivity of air increases Fan cools the air ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against X-rays Infra-red rays Ultra-violet rays Gamma rays X-rays Infra-red rays Ultra-violet rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Thomas Alva Edison Heinrich Hertz James Clerk Maxwell John Logie Baird Thomas Alva Edison Heinrich Hertz James Clerk Maxwell John Logie Baird ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? The heavier mass will reach greater height Both will reach the same height The lighter mass will reach greater height Any of them may reach greater height The heavier mass will reach greater height Both will reach the same height The lighter mass will reach greater height Any of them may reach greater height ANSWER DOWNLOAD EXAMIANS APP
Physics Which physical quantity is measured in 'siemens'? Refractive index Magnetic flux Electric potential Electrical conductance Refractive index Magnetic flux Electric potential Electrical conductance ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
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