Reflection through Spherical Mirrors

The video tutorial explains how different types of mirrors, such as concave, convex, and plane mirrors, affect image size and formation. It covers the principles of ray reflection in concave and convex mirrors, including the roles of the principal axis, focus, and center of curvature. The tutorial also discusses image characteristics for various object positions in both mirror types and introduces sign conventions for calculations. Practical applications of mirrors, such as in solar farms and vehicles, are highlighted.

What is the role of the pole in a spherical mirror?

• It is the center of the spherical mirror surface.

• It is the point where the mirror is thickest.

• It is the point where the mirror is thinnest.

• It is the point where light rays converge.

How does a ray parallel to the principal axis behave in a concave mirror?

• It reflects back along the same path.

• It passes through the center of curvature.

• It passes through the principal focus.

• It diverges from the principal focus.

In a convex mirror, how does a ray directed towards the principal focus behave after reflection?

• It diverges from the center of curvature.

• It emerges parallel to the principal axis.

• It converges at the principal focus.

• It reflects back along the same path.

Where is the image formed when an object is placed at the center of curvature in a concave mirror?

• At the focus

• At infinity

• Between the focus and the pole

• At the center of curvature

What is the nature of the image formed by a convex mirror when the object is at infinity?

• Virtual and inverted

• Real and erect

• Virtual and erect

• Real and inverted

What is the sign convention for distances measured in the direction of the incident ray?

• They are considered infinite.

• They are considered zero.

• They are considered negative.

• They are considered positive.

Which of the following is an application of concave mirrors?

• Used as rear-view mirrors in vehicles

• Used in torches and headlights

• Used as street light reflectors

• Used as security mirrors