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 (3/4)f (4/3)f (7/3)f F (3/4)f (4/3)f (7/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with non-uniform velocity and uniform acceleration Velocity – Time graph is nonlinear Displacement – Time graph is linear Velocity – Time graph is linear Displacement – Time graph is non-linear Velocity – Time graph is nonlinear Displacement – Time graph is linear Velocity – Time graph is linear Displacement – Time graph is non-linear ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Heliostats Thermocouple Photodiode Photovoltaic cell Heliostats Thermocouple Photodiode Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes in automobile work on Archimedes' principle Poiseuille's principle Bernoulli's principle Pascal's principle Archimedes' principle Poiseuille's principle Bernoulli's principle Pascal's principle ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Frictional force Viscous forces Gravitational force Centrifugal force Frictional force Viscous forces Gravitational force Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are Water None of these Earth's heat Both A & B Water None of these Earth's heat Both A & B ANSWER DOWNLOAD EXAMIANS APP
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