Science, asked by ashwinihrhsd83, 10 months ago

friend....focal length of concave lens is negative or positive....please answer fastly...it's urgent...☺️☺️

Answers

Answered by anuragshukla32002

0

Answer:

Focal length of the concave lens is negative .

Answered by juhisingh7543287

0

Answer:

focal length of concave lens and concave mirror

always negative

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