R C Sethi Solutions for Chapter: Reflection of Light at a Plane Surface, Exercise 4: EVALUATE YOUR UNDERSTANDING

How the red object will appear in blue light? Explain. Will there be any change in your observation if the object is seen in green light instead of blue? Give reason for your answer.

Differentiate between the following:

Regular reflection and diffused reflection

Differentuate between the following:

Additive primaries and subtractive primaries

Ravi is standing at a distance of $8 \mathrm{cm}$ in front of a mirror. What would be the distance between him and his image? If he moves $2 \mathrm{cm}$ away from the mirror, what will be the new distance between him and his image?
 

Mention three day-to-day applications of lateral inversion in daily life.
 

It is commonly observed that the colour of an object when viewed in day-light is different from the colour when viewed in light of lamp. How will you explain this observation?

Complete the ray diagram given alongside stating the angle of reflection.

Complete the diagram given alongside and state which colours would appears at X, Y, Z and P.