Science, asked by MihirPatil, 11 months ago

3.
Find the power of a concave lens of focal length 2 m.

Answers

Answered by hrithik100

1

Answer:

-0.5m is the power of concave lens

Answered by Anonymous

12

ғᴏᴄᴀʟ ʟᴇɴɢᴛʜ ɪs ɢɪᴠᴇɴ ᴛɢᴀ 2 ᴍ

ᴘᴏᴡᴇʀ ᴏғ ʟᴇɴs ᴘ = 1/ғ

ᴘ = 1 / -2 ( ᴠ sʜᴅ ᴀʟᴡᴀʏs ᴛᴀᴋᴇ ɪᴛ ɴᴇɢᴀᴛɪᴠᴇ)

ᴘ = -0.5 ᴅ

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