Physics Knot is a measure of The speed of ship Solar radiation The curvature of spherical objects Intensity of earthquake shock The speed of ship Solar radiation The curvature of spherical objects Intensity of earthquake shock ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases Decreases No change Increases First increases and than decreases Decreases No change Increases ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Wavelength None of these Temperature Frequency Wavelength None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to high humidity Due to ozone Due to low air pressure Due to low temperature Due to high humidity Due to ozone Due to low air pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Newton Romer Einstein Galileo Newton Romer Einstein Galileo ANSWER DOWNLOAD EXAMIANS APP