Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Demagnetization due to heating Effect of other magnets Self-demagnetization Earth's magnetic field Demagnetization due to heating Effect of other magnets Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Dispersion of light Total internal reflection Atmospheric reflection Atmospheric refraction Dispersion of light Total internal reflection Atmospheric reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Is easy to obtain Is lighter than liquid Does not change state easily Expands more than a liquid Is easy to obtain Is lighter than liquid Does not change state easily Expands more than a liquid ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen Lumen second Lux Candela Lumen Lumen second Lux Candela ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Centrifugal forces Central forces Centripetal forces Non central forces Centrifugal forces Central forces Centripetal forces Non central forces ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is Changing continuously 24 hours 365 days 30 days Changing continuously 24 hours 365 days 30 days ANSWER DOWNLOAD EXAMIANS APP