Question

Phy 192
The optical pins must stand __
during light experiment

Answer 1

the optical pins must stand----------------------during light experiment

Answer 2

Phy 192 The optical pins must stand _steady_ during light experiment.

It must stand steady. If not when the light strikes the mirror in the experiment will reflect all the light rays which are touching the mirror.

Reflection can cause the entire direction of the ray of light change.

Angle of incidence it is known as to be the angle which exists in between a normal line as well as the incident rays.