MCQ- 13 ICSE Physics class 10 ch-2 Light

Class 10 - Light Quiz (Spherical Lenses)

1. What is the principal focus of a convex lens?

Point where parallel rays converge
Point where parallel rays diverge
Point where image is always inverted
Optical center of the lens

2. Which lens converges light to a point?

Convex Lens
Concave Lens
Plane Mirror
Prism

3. What is the distance between the optical center and the principal focus called?

Focal Length
Principal Axis
Radius of Curvature
Aperture

4. In an experiment to find the focal length of a convex lens, where should the screen be placed?

At the focal point where light converges
At the optical center
At twice the focal length
At random points

5. What happens when light passes through the optical center of a lens?

It passes undeviated
It bends sharply
It gets absorbed
It is completely reflected

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