Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m Kg/m3 Kg/m2 It has no unit Kg/m Kg/m3 Kg/m2 It has no unit ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer reading suddenly recedes, it indicates that climate– Will remain cold Incessant rain for at least 48 Will be very warm Will be extremely stormy Will remain cold Incessant rain for at least 48 Will be very warm Will be extremely stormy ANSWER DOWNLOAD EXAMIANS APP
Physics Electrostatic precipitator is used to control the pollution of Water Noise Air Thermal Water Noise Air Thermal ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 100K 273K 0 K 373K 100K 273K 0 K 373K ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of displacement is known as ________ Speed Distance Velocity Acceleration Speed Distance Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP