Light: Mirrors and Lenses MCQ: 8th Science Chapter 10

Boost your CBSE exam preparation with our Class 8 Science Chapter 10 – Light: Mirrors and Lenses MCQ Test. This free online quiz is created from NCERT textbooks, following the CBSE syllabus, and supported by educational videos and Vidyalite’s Flashcards. It covers crucial concepts such as laws of reflection, refraction, focal length, convex and concave mirrors, converging and diverging lenses, and practical applications in daily life. Ideal for strengthening fundamentals, quick revisions, and building exam confidence.

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Time: 10 Minutes for 10 Question.

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8th Science: Light: Mirrors and Lenses

1 / 10

1. What happens to light rays when they strike a convex mirror?

They converge

They reflect straight

They diverge

They get absorbed

2 / 10

2. What is the angle between the incident ray and the normal called?

Angle of refraction

Angle of reflection

Angle of incidence

Angle of curvature

3 / 10

3. What type of mirror is used as a side-view mirror in vehicles?

Concave mirror

Plane mirror

Convex mirror

Spherical mirror

4 / 10

4. Why does a concave mirror burn paper when placed in sunlight?

It absorbs heat

It concentrates light to a point

It is dark in color

It reflects UV rays

5 / 10

5. What type of image is always formed by a convex mirror?

Inverted and enlarged

Erect and diminished

Inverted and diminished

Erect and enlarged

6 / 10

6. Which lens is used in eyeglasses and cameras for focusing?

Plane lens

Concave lens

Convex lens

Prism lens

7 / 10

7. What happens when sunlight is focused on paper using a convex lens?

It cools the paper

It spreads light

It forms a rainbow

It may burn the paper

8 / 10

8. What are the three elements involved in the law of reflection?

Angle, light, heat

Object, lens, surface

Incident ray, normal, reflected ray

Mirror, shadow, beam

9 / 10

9. According to the law of reflection, angle of incidence is equal to:

90°

Angle of refraction

0°

Angle of reflection

10 / 10

10. What kind of image does a concave mirror form when the object is very close?

Inverted and enlarged

Erect and same size

Erect and enlarged

Inverted and diminished

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