Physics Which one of the following instruments is used to study dispersion of light ? Photometer Telescope Spectrometer Microscope Photometer Telescope Spectrometer Microscope ANSWER DOWNLOAD EXAMIANS APP
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 (7/3)f (4/3)f F (3/4)f (7/3)f (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Capillarity Viscosity Diffusion Surface tension Capillarity Viscosity Diffusion Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? 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. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Magnetic force Muscular force Electrostatic force Friction Magnetic force Muscular force Electrostatic force Friction ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It has a low specific heat capacity It becomes very hard It has a high latent heat of fusion It reflects most of the heat from the sun It has a low specific heat capacity It becomes very hard It has a high latent heat of fusion It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP