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 : (7/3)f (4/3)f (3/4)f F (7/3)f (4/3)f (3/4)f F ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to see the distant objects on the Earth is Terrestrial telescope Astronomical telescope Simple microscope Compound microscope Terrestrial telescope Astronomical telescope Simple microscope Compound microscope ANSWER DOWNLOAD EXAMIANS APP
Physics The large collection of stars, dust and gas held together by gravitational attraction between components is known as Atmosphere Sun Family Cluster Galaxy Atmosphere Sun Family Cluster Galaxy ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 4 0.05 0.1 2 4 0.05 0.1 2 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 years 4.2 seconds 4.2 years 42 seconds 42 years 4.2 seconds 4.2 years 42 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is false about displacement? Its SI unit is meter It can be positive, negative or zero It is always positive Displacement is never greater than Distance Its SI unit is meter It can be positive, negative or zero It is always positive Displacement is never greater than Distance ANSWER DOWNLOAD EXAMIANS APP