Question

Give sign conventions related with spherical lens.(plz answer in points)​

Answer 1

Answer:

Sign Convention for Spherical Lenses

1 All the distances are measured from the optical center of the lens.

2 The distances measured in the same direction as that of incident light are taken as positive.

3 The distances measured against the direction of incident light are taken as negative.

4 The distances measured upward and perpendicular to the principle axis are taken as positive.

5 The distances measured downwards and perpendicular to principle axis is taken as negative.

Answer 2

Answer:

Sign conventions related to spherical lens are as follow :-

• the object should be always place in front of lens
• the distance between object and lens is u
• the distance between image and lens is v
• maximum two Ray's are needed for making image
• The object should be place in up Ward to principal axis

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