(b)
Yes, it decreases a little because the angle subtended at the eye
is then slightly less than the angle subtended at the lens The
Rationalised 2023-24
349
Answers
effect is negligible if the image is at a very large distance away [Note: When the eye is separated from the lens, the angles
subtended at the eye by the first object and its image are not
equal ]
(c)
First, grinding lens of very small focal length is not easy