Question

d) Flat lenses
18(ii) If the powers of the lenses L1 and L2
are in the ratio of 4:1, what would be the
ratio of the focal length of L1 and L2?
a) 4:1
b) 1:4
c) 2:1
d) 1:1​

Answer 1

Answer:

d is correct

Explanation:

hddndndkdjdjwdkekroeo39489r9y9riweur7r8wyryehwhshshqjshrhsjehhrkeeu39edjdndndndmdkskausususususususyshwhdjdjkdjdjd8e9e9eieiieieie