NCERT Class X Science Class: Chapter –10. Light – Reflection and Refraction – Part-4

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Question 16:

Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in Figure?

Image the ray diagrams

Image the Ray Diagrams

Image the ray diagrams

Iamge ray diagrams for the ray of light concave mirror

Iamge Ray Diagrams for the Ray of Light Concave Mirror

Iamge ray diagrams for the ray of light concave mirror

Answer: D

Question 17:

Which of the following ray diagrams is correct for the ray of light incident on a lens shown in Fig?

Image ray diagrams for ray of light

Image Ray Diagrams for Ray of Light

Image ray diagrams for ray of light

Image ray diagrams for the ray of light incident on a lens

Image Ray Diagrams for the Ray of Light Incident on a Lens

Image ray diagrams for the ray of light incident on a lens

Answer: A

Question 18:

(a) Plane, convex and concave

(b) Convex, concave and plane

(c) Concave, plane and convex

(d) Convex, plane and concave

Answer: C

Question 19:

In which of the following, the image of an object placed at infinity will be highly diminished and point sized?

(a) Concave mirror only

(b) Convex mirror only

(c) Convex lens only

(d) Concave mirror, convex mirror, concave lens and convex lens

Answer: D

Image of an object placed at infinity

Image of an Object Placed at Infinity

Image of an object placed at infinity

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