Science, asked by haricharaniemailcom, 10 months ago

what is the focal length of concave mirror and lens is it positive or negative

Answers

Answered by Nandithas

concave mirror and lens have negative focal length

akshay286: Bifocal lens

Karatekailash: same answer only bro

haricharaniemailcom: bifocal lens have always a negative focal length right?

Karatekailash: yes

haricharaniemailcom: thank you for clarifying my doubt

Karatekailash: PLZ follow me bro

Answered by Karatekailash

negative bro by sign conversation.

Karatekailash: hi

haricharaniemailcom: hi

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