Physics Stars twinkle because the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In case of uniform circular motion, the acceleration is Variable in magnitude but tangential to the circle Variable in magnitude but constant in direction Constant in magnitude and directed radially inwards Zero Variable in magnitude but tangential to the circle Variable in magnitude but constant in direction Constant in magnitude and directed radially inwards Zero ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Tesla Heartz Decibel Newton Tesla Heartz Decibel Newton ANSWER DOWNLOAD EXAMIANS APP
Physics By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance? 102 1012 1036 2 102 1012 1036 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Water Air Solar All of these Water Air Solar All of these ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Four times Half Two times No change Four times Half Two times No change ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS