adplus-dvertising
frame-decoration

Question

In single mode, the decrease in density results in a critical angle that is close enough to

a.

180 degree

b.

360 degree

c.

0 degree

d.

90 degree

Answer: (d).90 degree

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. In single mode, the decrease in density results in a critical angle that is close enough to