Question

What is the critical angle of water ?​

Answer 1

Answer:

the critical angle of water is ------48.6 degree...... thanks for this because I also don't know this i search on google baba.....

Answer 2

Answer:

So the critical angle is defined as the angle of incidence that provides an angle of refraction of 90-degrees. Make particular note that the critical angle is an angle of incidence value. For the water-air boundary, the critical angle is 48.6-degrees.