Physics Stars twinkle because the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water increases Boiling point of water decreases Boiling point of water increases Latent heat of vaporization of water decreases Latent heat of vaporization of water increases Boiling point of water decreases Boiling point of water increases Latent heat of vaporization of water decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They use less oxygen Their lungs are very large They have extra air sacs They fly inactively They use less oxygen Their lungs are very large They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 2 0.5 1 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Central forces Centripetal forces Centrifugal forces Non central forces Central forces Centripetal forces Centrifugal forces Non central forces ANSWER DOWNLOAD EXAMIANS APP
Physics The nature of fuse wire is Low resistance and high melting point. Low resistance and low melting point. High resistance and low melting point. High resistance and high melting point. Low resistance and high melting point. Low resistance and low melting point. High resistance and low melting point. High resistance and high melting point. ANSWER DOWNLOAD EXAMIANS APP
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