Question

The radii of curvature of both spherical surface of a convex lens(u=1.5) are 20 cm each.An object of height 5 cm is placed infront of the lens at 10cm distance. Find out the position, nature and size of image.​

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Answer 1

Answer:

Correct option is

Correct option isC

Correct option isC35

Correct option isC35Here R1 = 20 cm, R2 = -40 cm, f = 20 cm

Correct option isC35Here R1 = 20 cm, R2 = -40 cm, f = 20 cmUsing lens maker's formula we get,

Correct option isC35Here R1 = 20 cm, R2 = -40 cm, f = 20 cmUsing lens maker's formula we get,201=(μ−1)(201+401)

Correct option isC35Here R1 = 20 cm, R2 = -40 cm, f = 20 cmUsing lens maker's formula we get,201=(μ−1)(201+401)201=(μ−1)403⇒μ=35