Physics The term ''equinox' means When the day and night are of equal duration The axis of the Earth around which it rotates The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon The path which the Earthtakes around the Sun When the day and night are of equal duration The axis of the Earth around which it rotates The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon The path which the Earthtakes around the Sun ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Barometer Lactometer Hygrometer Hydrometer Barometer Lactometer Hygrometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Permissible noise level at Residential area during night time is : 75 dB (A) 55 dB (A) 45 dB (A) 80 dB (A) 75 dB (A) 55 dB (A) 45 dB (A) 80 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Alpha-emission Beta-emission Oxidation Gamma-emission Alpha-emission Beta-emission Oxidation Gamma-emission ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 0 J 200 J 400 J 100 J 0 J 200 J 400 J ANSWER DOWNLOAD EXAMIANS APP
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