What will be the effect on the interferece fringes,if red light is replaced by blue light?

Red light is incident on a think converging lens of focal length f. Briefly explain how the focal length of the lens will change,if red light is replaced with blue light.

What is the effect on the interference fringes in a Young's double slit experiment due to each of the following oerations? The monochromatic source is replaced by a source of white light.

What is the effect of light on flowering?

How does the power of a convex lens vary if the incident red light is replaced by violet light?

Violet light is incident on a converging lens of focal length f. State with reasons how focal length of the lens will change, if the violet light is replaced by red light.

Red light differes from blue light in its

How does the power of a convex lens vary,if the incident violet light is replaced by red light?

What is the effect of light intensity and light quality on growth of plant?

How does the focal length of a glass lens change when blue light is replaced by red light. Give reasons.