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The Nature of Light

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Questions and Answers

What is the main idea behind the Corpuscular Theory of Light?

Light is a form of electromagnetic radiation.

Light is made up of particles that travel in a straight line. (correct)

Light is made up of waves similar to water waves.

Light is a discrete packet of energy.

What is the characteristic of light that is exhibited when it interacts with matter?

Virtual image formation.

Particle behavior at higher frequencies. (correct)

Real image formation.

Wave behavior at lower frequencies.

What is the first law of reflection?

The incident ray and the reflected ray are perpendicular to each other.

The normal to the reflecting surface is perpendicular to the incident ray.

The incident ray, the reflected ray, and the normal to the reflecting surface all lie in the same plane. (correct)

The angle of incidence is equal to the angle of reflection.

What is the name of the theory that describes light as a small part of the electromagnetic spectrum?

Electromagnetic Wave Theory of Light. Signup and view all the answers

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

Erect, virtual, and same size as the object Signup and view all the answers

What is the characteristic of a real image?

It is always inverted and formed by actual rays of light. Signup and view all the answers

What is the distance between the center of curvature and the vertex of a spherical mirror?

Radius of curvature Signup and view all the answers

What is the path of Ray 2 in the ray method of image formation?

Along a secondary axis and passes through the center of curvature Signup and view all the answers

What is the characteristic of the image formed by a convex mirror?

Erect, virtual, and smaller than the object Signup and view all the answers

What is the focal length of a spherical mirror with a small aperture?

One-half of the radius of curvature Signup and view all the answers