A concave mirror has radius of curvature of 40 cm. It is at the bottom of a glass that has water filled up to 5 cm (see figure). If a small particle is floating on the surface of water, its image as seen, from directly above the glass, is at a distance d from the surface of water. The value of d is close to :(Refractive index of water =1.33) Option 1) Option 2) Option 3) Option 4)

Answers (1)

As we can see first the image will be formed by mirror

Refraction from water surface

Option 1)

Option 2)

Option 3)

Option 4)

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