Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ No option is correct Propagation Diffraction Refraction No option is correct Propagation Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Flint glass Ordinary glass Pyrex glass Cobalt glass Flint glass Ordinary glass Pyrex glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Temperature None of these Wavelength Frequency Temperature None of these Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of The law of heat exchange The law of conservation of energy Newton's law of cooling Charle's law The law of heat exchange The law of conservation of energy Newton's law of cooling Charle's law ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a diffused beam in one direction As diffused beams in all directions As parallel beams in all directions As a parallel beam in one direction As a diffused beam in one direction As diffused beams in all directions As parallel beams in all directions As a parallel beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Flint glass Cobalt glass Ordinary glass Pyrex glass Flint glass Cobalt glass Ordinary glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP