Physics The mercury and sodium street lamps light up because of : Atomic emission Atomic absorption Electron absorption Electron emission Atomic emission Atomic absorption Electron absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength at which the peak of intensity of blackbody radiation occurs Does not follow any pattern as temperature changes Increases with increase in temperature Is the same at all temperatures Decreases with increase in temperature Does not follow any pattern as temperature changes Increases with increase in temperature Is the same at all temperatures Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As parallel beams in all directions As a parallel beam in one direction As diffused beams in all directions As a diffused beam in one direction As parallel beams in all directions As a parallel beam in one direction As diffused beams in all directions As a diffused beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.01 0.001 1 × 1010 1 × 10–10 0.01 0.001 1 × 1010 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics An object that has kinetic energy must be At an elevated position Moving Falling At rest At an elevated position Moving Falling At rest ANSWER DOWNLOAD EXAMIANS APP
Physics The term ''Isoneph' indicates the lines of equal Rainfall Pressure Salinity Cloudiness Rainfall Pressure Salinity Cloudiness ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS