Bragg reflection can occur only when `gamma le 2d`.

Inspiration can occur , when -

Inspiration can occur , when -

Reflection occurs, when the light

Fill in the blanks: Q: Total internal reflection occurs only when a ray of light passes from a _____medium to a ____medium.

Convection can occur only in fluids.

Zener breakdown occurs only when

The force of action and reaction can occur only when two bodies collide against one another.the statememnt is