Question

1) Four students traced the path of light ray after refraction through the lens.

(i) Which one of them is correct?


(a) Only I (b) Only II (c) Only III (d) Only IV


(ii) Which one of them is wrong?


(a) I & II (b) II & III (c) I, II & III (d) Only IV


(iii) What rule is used in third diagram and write it?


(iv) Write the rule for fourth diagram?​

Answer 1

Answer:

for the first question..(d) only IV is correct

second one (c) I,II,III is correct

rule used for both third and second diagram is rule 1 that is ray passing parallel to the principal axis and passes the lens passes through the focus ...and 3 one ray passing through the optic centre ..passes without deviating..

I hope..this is enough