Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low melting point High melting point Low work function Low resistance Low melting point High melting point Low work function Low resistance ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Varies with the increase of depth of the immersion of the iron piece Does not change Will increase Will decrease Varies with the increase of depth of the immersion of the iron piece Does not change Will increase Will decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Convection Conduction Radiation Insulation Convection Conduction Radiation Insulation ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Unchanged Decreases Depends upon the metal Increases Unchanged Decreases Depends upon the metal Increases ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength of a wave is the distance between Crest and Crest Trough and Trough Both B & C Crest and Trough Crest and Crest Trough and Trough Both B & C Crest and Trough ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
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