Light Test - 11...

What happens to the light as we move away from its source such as candle?

Things that do not allow light to pass through them are said to be

Light can bend around small objects. What is this property of light called?

Centre of curvature of a spherical mirror is the

The rear-view mirror used in a car is

A 5 feet tall man wishes to see his full image in a plane mirror. The minimum height of the plane mirror needed for this purpose is

What is the focal length of a plane mirror?

How many images of an object are formed, if it is placed between two plane mirrors inclined at an angle of 60º?

What is the nature of image formed by a plane mirror?

If the velocity of light in two different media of refractive indices n₁ and n₂, is v₁ and v₂ respectively, which of the following relations will be true?

In refraction of light through a prism, the light ray

What should be the angle of incidence for a ray of light, which suffers a minimum deviation of 36° through an equilateral prism?

A ray of light falls normally on a glass slab. What is the angle of refraction?

For a point source of light, which of the following can produce a parallel beam of light?

The image formed by convex lens is virtual when the object is placed

A ray of light, after refraction through a lens, emerges parallel to the principal axis of the lens. The incident ray either passes through or appears to meet at the

Which of the following statements is incorrect?

What is the cause of dispersion?

A dark muscular assembly which controls the size of the opening that regulates the amount of light entering the eye is called

In the figure shown below, which of the following rays represents the correct path of light while emerging out through a glass block?