Physics The electric current in a metal wire is due to the flow of - Protons Electrons Holes Ions Protons Electrons Holes Ions ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Focal length of a lens Light intensity Sound intensity Power of a lens Focal length of a lens Light intensity Sound intensity Power of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole Decreases Increases No change First increases and than decreases Decreases Increases No change First increases and than decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to directly proportional to square of inversely proportional to square of directly proportional to inversely proportional to directly proportional to square of inversely proportional to square of directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Radar Altimeter Venturimeter Sonar Radar Altimeter Venturimeter Sonar ANSWER DOWNLOAD EXAMIANS APP
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