Question

26. A concave mirror and a converging lens (glass
with u = 1.5) both have a focal length of 3 cm
4
when in air. When they are in water
3
their new focal lengths are
a) flens = 12 cm, fMirror = 3cm
(b) flens = 3 cm. fMirror = 12cm
(c) flens = 3 cm. Miror = 3cm
(d) flens = 12 cm. Nirror = 12cm
2 = 3x4
S 5​

Answer 1

Answer:

concave mirror and a converging lens (glass with μ=1.5) both have a focal length of 3 cm when in air. When they are in water (μ=43), their new focal length are

Answer 2

Answer:

answer attached in the photo