1.

Write the rules of sign convention for spherical lens(with suitable diagram)​

Answer»

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Sign CONVENTION for SPHERICAL Mirror:

  • Sign is taken as + (positive) behind the spherical mirror. For example if an IMAGE is formed behind the mirror, the distance of image is taken as + (positive) from pole ALONG the principal axis.

  • The height of is taken as + (positive) above the principal axis and taken as – (negative) below the principal axis.

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