Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Stratosphere Ionosphere Exosphere Mesosphere Stratosphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid None of these Newton /m2 Joule/ mm Electron volt /cm2 None of these Newton /m2 Joule/ mm Electron volt /cm2 ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension MLT–2 corresponds to Force Work done Velocity Acceleration Force Work done Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Reflected ray Tangent Normal Surface Reflected ray Tangent Normal Surface ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is false about displacement? Displacement is never greater than Distance Its SI unit is meter It is always positive It can be positive, negative or zero Displacement is never greater than Distance Its SI unit is meter It is always positive It can be positive, negative or zero ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to square of directly proportional to directly proportional to square of inversely proportional to inversely proportional to square of directly proportional to directly proportional to square of inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
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