Archana Shukla Solutions for Chapter: Light-Shadows and Reflection, Exercise 3: Assess

What are the types of beam of light?

Give two examples of natural luminous objects.

What is the speed of light?

Name two surfaces which do not reflect light parallel.

If the distance between the toy and the mirror image is $2.5$ metre, at what distance the toy is in front of the plane mirror?

Look at the given ray diagram. If the value of ${\mathrm{\theta }}_{\mathrm{i}}$ is $40$ degrees then what will be the value of _______ ${\mathrm{\theta }}_{\mathrm{r}}$?

Which of the following happens when light is blocked by an object that allows only some light to pass through it?