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What is focal legth

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What is focal legth

Posted by Sunidhi Sharma 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Ayush Chaubey 6 years, 3 months ago

The focal length of a lens is the distance between optical centre and principal focus of the lens.

0Thank You

Dipanshu Fuliya 6 years, 3 months ago

Distance between focus and pole

3Thank You

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CBSE > Class 10 > Science