Physics Ozone layer above the surface of Earth provides a shield against Ultra-violet rays Gamma rays Infra-red rays X-rays Ultra-violet rays Gamma rays Infra-red rays X-rays 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 Why is it difficult to breathe at higher altitudes? Due to low air pressure Due to ozone Due to low temperature Due to high humidity Due to low air pressure Due to ozone Due to low temperature Due to high humidity ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Colour Resolution Clarity Graphics Colour Resolution Clarity Graphics ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of the ocean appears to be blue because the sunlight falling on it is Diffracted Refracted Scattered Reflected Diffracted Refracted Scattered Reflected ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Galileo Einstein Newton Romer Galileo Einstein Newton Romer ANSWER DOWNLOAD EXAMIANS APP
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