Physics In mirrors the back surface is coated with a thin layer of : Red oxide Silver nitrate Silver Mercury Red oxide Silver nitrate Silver Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? All of these Gamma Beta Alpha All of these Gamma Beta Alpha ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object. 2 s 2 m/s 2 m/sq.s 2 m 2 s 2 m/s 2 m/sq.s 2 m ANSWER DOWNLOAD EXAMIANS APP
Physics Energy of Ultraviolet rays is great than Infrared rays Gamma rays Cosmic rays X-rays Infrared rays Gamma rays Cosmic rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Fact that spacecraft in the orbit has no energy 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
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