Physics What is the reason for twinkling of stars ? Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Becomes infinite Decreases Remains constant Increases Becomes infinite Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Centripetal forces Centrifugal forces Non central forces Central forces Centripetal forces Centrifugal forces Non central forces Central forces ANSWER DOWNLOAD EXAMIANS APP
Physics Super cooling stands for cooling of a liquid : At freezing point Above melting point At melting point Below freezing point At freezing point Above melting point At melting point Below freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Oxygen Helium Lithium Hydrogen Oxygen Helium Lithium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Gravity Mass Both (A) and (B) Buoyancy Gravity Mass Both (A) and (B) Buoyancy ANSWER DOWNLOAD EXAMIANS APP