Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Photometer Microscope Spectrometer Telescope Photometer Microscope Spectrometer Telescope ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is malleable It is economical It is a good conductor It has a very high melting point It is malleable It is economical It is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer horizontally within the atmosphere is called Convection Advection Conduction Absorption Convection Advection Conduction Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics A storm is predicted if atmospheric pressure Rises suddenly Falls gradually Rises gradually Falls suddenly Rises suddenly Falls gradually Rises gradually Falls suddenly ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a pendulum when taken to the Moon would: Remain the same Decrease Become zero Increase Remain the same Decrease Become zero Increase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS