Physics, asked by ApoorvaR, 1 year ago

derivation of lens formula for concave lens

Answers

Answered by pawanarora1

Derivation of Lens Formula for concave lens: Let AB represent an object placed at right angles to the principal axis at a distance greater than the focal length f of the convex lens. The image A1B1 is formed between O and F1 on the same side as the object is kept and the image is erect and virtual.

Answered by madvisuthar

Answer:

Explanation:

Two copper cords A and B have the same force. If the barrier of wire A is 0.5 ohms and the length of wire B is twice that of wire A, find the barrier of B.

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