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 What is a neuron ? Particle released during radioactivity The anti-particle of neutron Basic unit of nervous system Basic unit of energy Particle released during radioactivity The anti-particle of neutron Basic unit of nervous system Basic unit of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Alternate current Direct current Induced current Actual current Alternate current Direct current Induced current Actual current ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in VHF UHF HF SHF VHF UHF HF SHF ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Martin Luther Copernicus Johannes Kepler Galileo Martin Luther Copernicus Johannes Kepler Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Oxidation Beta-emission Gamma-emission Alpha-emission Oxidation Beta-emission Gamma-emission Alpha-emission ANSWER DOWNLOAD EXAMIANS APP
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