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 : (4/3)f F (7/3)f (3/4)f (4/3)f F (7/3)f (3/4)f ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon which causes mirage is Interference Total internal reflection Polarisation Diffraction Interference Total internal reflection Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Concave Convex Can't be determined Both A & B Concave Convex Can't be determined Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 5 cm 20 cm 15 cm 10 cm 5 cm 20 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
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