Physics Stars in the sky appear to twinkle due to A surface tension phenomenon A series of refractions Multiple diminishing brightness A series of reflections A surface tension phenomenon A series of refractions Multiple diminishing brightness A series of reflections ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Neutral particles Charged particles emitted by nucleus Electromagnetic radiations The electrons orbiting around the nucleus Neutral particles Charged particles emitted by nucleus Electromagnetic radiations The electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Pure silicon Platinum Copper Nichrome Pure silicon Platinum Copper Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation Transverse Field Longitudinal Rolling Transverse Field Longitudinal Rolling ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron absorption Atomic absorption Atomic emission Electron emission Electron absorption Atomic absorption Atomic emission Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute ANSWER DOWNLOAD EXAMIANS APP
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