Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Can affect photographic plates Have low penetrating power Travel with the speed of light Can be reflected or refracted Can affect photographic plates Have low penetrating power Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics Supersonic plane fly with the speed less than the speed of sound greater than the speed of sound of sound of light less than the speed of sound greater than the speed of sound of sound of light ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength at which the peak of intensity of blackbody radiation occurs Increases with increase in temperature Does not follow any pattern as temperature changes Decreases with increase in temperature Is the same at all temperatures Increases with increase in temperature Does not follow any pattern as temperature changes Decreases with increase in temperature Is the same at all temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of water depends upon the Atmospheric pressure Volume Mass Density Atmospheric pressure Volume Mass Density ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Double Increases Same Decreases Double Increases Same Decreases ANSWER DOWNLOAD EXAMIANS APP
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