| 1.
Which color bends the least when light passes
through a prism?
2.
How is a rainbow formed?
3.
Define principal focus of a convex lens using
a diagram.
4.
Mention for which position of object does convex
lens forms an image of the
same size? Is the image real or virtual in this
case?
5.
Find the refractive index of diamond if light
travels in it with a speed of 1.2 x 108 m/s. {speed
of light in vacuum is 3 x 108 m/s}
6.
Name the component of sunlight which
1. Gets absorbed by the ozone layer in the atmosphere
2. Produces sensation of heat
|
