Physics Which of the following is not true about X-rays? Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
Physics The sudden fall of atmospheric pressure indicates Fair weather Storm Cold weather Rain Fair weather Storm Cold weather Rain ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light 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 As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Both A & B Light surfaces None of these Dark surfaces Both A & B Light surfaces None of these Dark surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 years 4.2 seconds 42 years 42 seconds 4.2 years 4.2 seconds 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Angular momentum Force Linear momentum Potential energy Angular momentum Force Linear momentum Potential energy ANSWER DOWNLOAD EXAMIANS APP