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 F (3/4)f (4/3)f (7/3)f F (3/4)f (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics If ice floating on water in a vessel melts, the water level in the vessel ________ . First increases before decreasing Decreases Does not change Increases First increases before decreasing Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Physics A boat will submerge when it displaces water equal to its own: Weight Surface area Volume Density Weight Surface area Volume Density ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is a good conductor It is malleable It is economical It has a very high melting point It is a good conductor It is malleable It is economical It has a very high melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Latent heat of condensation Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Deflection and advection Latent heat of condensation Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Deflection and advection ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°F 0°C 4°C 0°F 4°F 0°C 4°C 0°F ANSWER DOWNLOAD EXAMIANS APP
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