Question

what is conjugate foci ?​

Answer 1

Explanation:

The pair of two sucj points on the principal axis of a lens, that for the object placed at one point, the image is formed at the other point, are called the conjugate foci....

Answer 2

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Conjunctions are the words used to join two or more words,sentences or phrases.

Connector act like linker.

"and", "but", "because", "as", "though", "although" are commonly used conjunctions.

Examples:

Ajay and Vijay are best friends.

They're happy because they have holidays from today.

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