Physics The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 atmosphere 1 pascal 1 bar 1 poise 1 atmosphere 1 pascal 1 bar 1 poise ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Total internal reflection of light Regular reflection of light Refraction of light Diffuse reflection of light Total internal reflection of light Regular reflection of light Refraction of light Diffuse reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Soap bubble attains spherical shape due to ________ Surface tension Pressure Viscosity Inertia Surface tension Pressure Viscosity Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following criterion is used for any metal to be used as a cooking material ? More thermal conductivity Less thermal conductivity Less electrical conductivity More specific heat More thermal conductivity Less thermal conductivity Less electrical conductivity More specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 0°F 4°C 4°F 0°C 0°F 4°C 4°F 0°C ANSWER DOWNLOAD EXAMIANS APP