Question

Statement (S) : Using Huygen's eye-piece measurements can be taken but are not correct.
Reason (R) : The cross wires, scale and final image are not magnified proportionately because the image of the object is magnified by two lenses, whereas the cross wire scale is magnified by one lens only.
Identify the correct one of the following

• A. Both (S) and (R) are true, (R) explains (S)
• B. Both (S) and (R) are true, but (R) cannot explain (S)
• C. Only (S) is correct, but (R) is wrong
• D. Both (S) and (R) are wrong

Answer 1

The correct option is A Both (S) and (R) are true, (R) explains (S)

Using Huygen's eye-piece, measurements can be taken but not accurately due to the reason given.