Question

age 101ilea.
A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far
is the object placed from the lens? Draw the ray diagram.​

Answer 1

Answer:

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Explanation:

Please give your no.

Answer 2

Answer:

i) Subtraction of z from y. y – z(ii) One-half of the sum of numbers x and y.1/2 × (x + y) = ( + )/2(