A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is |
|||
a) |
Equal to unity |
b) |
Equal to 1.33 |
c) |
Between unity and 1.33 |
d) |
Greater than 1.33 |
A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is |
|||
a) |
Equal to unity |
b) |
Equal to 1.33 |
c) |
Between unity and 1.33 |
d) |
Greater than 1.33 |