Question

The critical angle for total internal reflection is small when n1 is considerably greater than n2. For example, the critical angle for a diamond in air is 24°. How this fact can be used to explain the sparkling of diamond ?
​

Answer 1

Answer:

: the environment

1.

the conditions in which you live, work, etc.

रहने, काम करने आदि की परिस्थितियाँ; वातावरण

a pleasant working environmenta pleasant working environment

2.

the natural world, for example the land, air and water, in which people, animals and plants live

वह प्राकृतिक संसार (जैसे भूमि, वायु और जल) जिसमें लोग, पशु और पौधे रहते हैं; पर्यावरण

We need stronger laws to protect the environment.