ᴀɴꜱᴡᴇʀ ᴛʜᴇ Qᴜᴇꜱᴛɪᴏɴ ɢɪᴠᴇɴ ɪɴ ᴛʜᴇ ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ
only part (b)
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Answered by
6
Answer:
(b) Focal length, f = -5 m
P= 1/ f (m)
P = 1 / -5 = - 0.2D
Hence, the power is - 0.2D.
Answered by
1
Power is -0.2 D
Hope it helps
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