Chapter 10 Light Reflection and Refraction – HI MCQ!

Refraction of light by the earth’s atmosphere due to variation in air density is called?

Mark as favorite

Mirror used for focusing light is?

Mark as favorite

Consider the following statements and choose the correct one?

Mark as favorite

Large number of thin stripes of black paint are made on the surface of a convex lens of focal length 20 cm to catch the image of a white horse. The image will be?

Mark as favorite

Large number of thin stripes of black paint are made on the surface of a convex lens of focal length 20 cm to catch the image of a white horse. The image will be?

Mark as favorite

An object at a distance of + 15 cm is slowly moved towards the pole of a convex mirror. The image will get?

Mark as favorite

A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is?

Mark as favorite

When a ray of light is incident normally, the angle of incidence is?

Mark as favorite

choose the statement which is/ are incorrect?

Mark as favorite

Greater the difference in the speed of light in the two media, greater will be the amount of refraction or bending of light.
The refraction of light take place at the boundary between the two media.
The bending of light when it goes from one medium to another obliquely is called refraction of light.
The speed of light in air is 3 x 10 to power 18 m/s whereas that in glass is 2 x 10 to power 8 m/s.

A Concave Mirror Produces Magnification Of +4. The Object Is Place(d)?

Mark as favorite