Physics What is the fundamental unit of amount of a substance? Kelvin Candela Meter Mole Kelvin Candela Meter Mole ANSWER DOWNLOAD EXAMIANS APP
Physics A system exhibiting S.H.M. must possess Elasticity only Elasticity as well as inertia Elasticity, inertia and an external force Inertia only Elasticity only Elasticity as well as inertia Elasticity, inertia and an external force Inertia only ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight ANSWER DOWNLOAD EXAMIANS APP
Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Psinq cosa Pcosq sina Pcosq cosa Psinq sina Psinq cosa Pcosq sina Pcosq cosa Psinq sina ANSWER DOWNLOAD EXAMIANS APP
Physics The tidal waves on sea is mainly due to Gravitational Effect of Earth on Moon Gravitational Effect of Moon on Earth None of these Gravitational Effect of Sun on Earth Gravitational Effect of Earth on Moon Gravitational Effect of Moon on Earth None of these Gravitational Effect of Sun on Earth ANSWER DOWNLOAD EXAMIANS APP
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