Physics An object which absorbs all colours and reflects none appears: White Blue Grey Black White Blue Grey Black ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 30 cm. 120 cm. 90 cm. 60 cm. 30 cm. 120 cm. 90 cm. 60 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics If ice floating on water in a vessel melts, the water level in the vessel ________ . Decreases Does not change Increases First increases before decreasing Decreases Does not change Increases First increases before decreasing ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher intensity when train arrives Of higher pitch when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train arrives Of higher pitch when train departs The same in both cases in all respects ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appear twinkling because of ......... of light. Reflection Emission Scattering Absorption Reflection Emission Scattering Absorption ANSWER DOWNLOAD EXAMIANS APP