#### For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be made of a material whose refractive index: Option 1) lies between 2 and  Option 2) is less than 1 Option 3) is greater than 2 Option 4) lies between and 1

Here

In the given situation A can varies from 0 to 90.

lies between and 2.

Option 1)

lies between 2 and

This option is correct.

Option 2)

is less than 1

This option is incorrect.

Option 3)

is greater than 2

This option is incorrect.

Option 4)

lies between and 1

This option is incorrect.