Question

Draw a ray diagram to show the formation of the image by a (A) concave lens when an object is placed in front of it
(b) concave mirror (when object is placed at focus) ​

Answer 1

(a) Draw a ray diagram to show the formation ofimage by a concave lens when an object is placed in front of it. ... (c) Find the nature and power of a lens which forms a real and inverted image of magnification -lat a distance of 40 cm from its optical center.

Answer 2

Answer:

When object is placed between the pole and focus of a concave mirror, the image is formed behind the mirror, it is virtual, erect and larger than the object. ... (b) One use of concave mirror based on the formation of image as in case (i) above: As a shaving mirror.

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