Question

. Among of the following is not correct for diamond
a) Critical angle of diamond is high
b) Refractive index of diamond is high
c) Total internal reflection takes place in diamond
d) Diamonds are used in jewellery​

Answer 1

a) critical Angle of diamond is 24°.

b) 2.4

c) because of high refractive index

d) because it reflect light in an attractive way