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We present here the previous 15 years IIT JEE questions and answers in Optics. AIM: To find refractive index of any liquid (water) using a concave mirror. APPARATUS: A concave spherical mirror, water, an optical needle, a clamp stand, one meter. A glass plate with an index of refraction is is immersed in an oil having a refractive index of The surface of the glass is inclined at an angle of 54° with the vertical.
A. Experiments Angle of incidence and angle of reflection Corner cube, corner reflector, retrodirective mirrors Diffuse reflection Image position in a plane mirror, pin parallax method to locate image Kaleidoscope Laws of reflection with a ray box Laws of reflection using a ray box Laws of reflection using an electric torch.
Using concave mirror 7 2. Using Convex Lens and Plane Mirror Determination of the Refractive Index of a Liquid using Liquid Lenses 1. Using concave mirror 11 Method: 1. Put the mirror at a distance greater than its focal length.
then move a screen.11 refractive index using concave mirror