Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Reflect back the heat given by earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Reflect back the heat given by earth Prevent cold waves from the sky descending on earth ANSWER DOWNLOAD EXAMIANS APP
Physics A current carrying conductor is associated with A magnetic field An electro-magnetic field An electrostatic field An electric field A magnetic field An electro-magnetic field An electrostatic field An electric field ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : 36,000 km 42,000 km 30,000 km None of these 36,000 km 42,000 km 30,000 km None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Electric Motor converts ________ energy to mechanical energy Chemical Sound Electrical Mechanical Chemical Sound Electrical Mechanical ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following uses a Non Renewable Energy Source? Wind Mill Power Plant Nuclear Power Plant Hydro Electric Plant Tidal Power Plant Wind Mill Power Plant Nuclear Power Plant Hydro Electric Plant Tidal Power Plant ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Aluminium Copper Zinc Iron Aluminium Copper Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
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