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 Which combination of colour is the most convenient during day and night time ? White and black Organe and blue Yellow and blue Red and green White and black Organe and blue Yellow and blue Red and green ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is the fundamental quantity ? Force Volume Time Velocity Force Volume Time Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Speed regulation of synchronous motor is 0.01 0.005 0.25 Zero 0.01 0.005 0.25 Zero ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 336 J 80 J 4.2 J 2268 J 336 J 80 J 4.2 J 2268 J ANSWER DOWNLOAD EXAMIANS APP
Physics Erg cross Sec is the unit of Planck's constant Angular momentum Linear Momentum Energy Planck's constant Angular momentum Linear Momentum Energy ANSWER DOWNLOAD EXAMIANS APP