Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Microwave radiation Gamma rays UV rays Visible light Microwave radiation Gamma rays UV rays Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 30 cm. 90 cm. 120 cm. 60 cm. 30 cm. 90 cm. 120 cm. 60 cm. ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is Zero One More than one Less than one Zero One More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Beta-emission Oxidation Alpha-emission Gamma-emission Beta-emission Oxidation Alpha-emission Gamma-emission ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following occurred first ? Wright Brothers successfully flew an aircraft Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity Wright Brothers successfully flew an aircraft Guglielmo Marconi sent out the first wireless signals Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity ANSWER DOWNLOAD EXAMIANS APP
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