Light & Optics MCQs with Answers

What type of image is formed on the retina of the human eye?

• A.Real and inverted
• B.Virtual and erect
• C.Real and erect
• D.Virtual and inverted

Rainbow is produced due to _ of light.

• A.Dispersion
• B.Reflection
• C.Refraction
• D.Diffraction

Angle between the ray of light and wave front is

• A.0°
• B.45°
• C.90°
• D.180°

What is the angle of incidence equal to?

• A.Angle of reflection
• B.Angle of refraction
• C.Angle of dispersion
• D.Angle of diffraction

A magnifying glass forms an enlarged ?

• A.Real and upright image
• B.Real and inverted image
• C.Virtual and inverted image
• D.Virtual and upright image

Past Paper MCQ

What are the characteristics of the image formed by a camera using a convex lens?

• A.Virtual, inverted, and diminished
• B.Virtual, erect, and magnified
• C.Real, erect, and same size
• D.Real, inverted, and diminished

What is the nature of infra-red radiations?

• A.Long wave radiations
• B.Short wave radiations
• C.Ultraviolet radiations
• D.Gamma radiations

The distance between the optical center and the principal focus is called ?

• A.Focal Length
• B.Aperture
• C.Radius of Curvature
• D.Optical Axis

The waves that have maximum penetrating power to treat tumors are ?

• A.X-rays
• B.Gamma-rays
• C.Ultraviolet rays
• D.Infrared rays

If one of the surfaces of a lens is concave and the other is convex such that the central region of the lens is thinner than its edges, it is called _?

• A.Convex lens
• B.Concave lens
• C.Concave convex lens
• D.Plano-concave lens