Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (4/3)f (7/3)f (3/4)f F (4/3)f (7/3)f (3/4)f ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is Alpha rays Beta rays None of these Gamma rays Alpha rays Beta rays None of these Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Rectifier Regulator Switch Amplifier Rectifier Regulator Switch Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature Wavelength None of these Frequency Temperature Wavelength None of these Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Light Distance Time Intensity of light Light Distance Time Intensity of light ANSWER DOWNLOAD EXAMIANS APP
Physics How much calorie of energy is released by a boiled egg ? 60 77 40 50 60 77 40 50 ANSWER DOWNLOAD EXAMIANS APP
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