Interenference of light

For steady interference of light, the two sources of light must be

When interference of light place, the intensity of light

In a material medium, the speed of light depends on the frequency of light .

A light bulb is an incandescent source of light. A light bulb emits light

Draw the diagrams of (a) Ray of light (b) Convergent beam of light (c) Divergent beam of light (d) Parallel beam of light

If the yellow light is replaced by the violet light then the interference fringes -

Reflection of light and Refraction of light .