Class 8 Science Chapter 10: Light: Mirrors and Lenses — practice questions with answers
Free practice for Class 8 Science, Chapter 10: Light: Mirrors and Lenses. Try the solved questions below, then take a free test with instant marking and explanations.
47 questions18 easy, 23 medium, 6 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. A spherical mirror whose reflecting surface curves inwards is called a ______ mirror.
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Answer: concave
Why: One that curves outwards is convex. [p.154]
Why: One that curves outwards is convex. [p.154]
Q2. A spherical mirror whose reflecting surface curves outwards is called a ______ mirror.
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Answer: convex
Why: Used as side-view mirrors. [p.154]
Why: Used as side-view mirrors. [p.154]
Q3. How can you tell a concave mirror from a convex mirror by looking from the side?
- See whether the reflecting surface curves inwards or outwards
- By its colour
- By its weight
- You cannot tell
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Answer: A. See whether the reflecting surface curves inwards or outwards
Why: Activity 10.2. [p.155]
Why: Activity 10.2. [p.155]
Q4. What kind of image does a convex mirror always form?
- Erect and diminished
- Inverted and enlarged
- Erect and enlarged
- Inverted and same size
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Answer: A. Erect and diminished
Why: Its size decreases slightly as the object moves away. [p.156]
Why: Its size decreases slightly as the object moves away. [p.156]
Q5. How is the image in a plane mirror different from images in spherical mirrors?
- It is always erect and the same size as the object
- It is always enlarged
- It is always inverted
- It is always diminished
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Answer: A. It is always erect and the same size as the object
Why: Spherical mirrors behave differently. [p.156]
Why: Spherical mirrors behave differently. [p.156]
Q6. Why are convex mirrors used as side-view mirrors in vehicles?
- They give a much wider view of the road behind
- They enlarge images
- They invert images
- They are cheaper
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Answer: A. They give a much wider view of the road behind
Why: They are also used at road bends and in shops. [p.157]
Why: They are also used at road bends and in shops. [p.157]
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Frequently asked questions
How many practice questions are there for Class 8 Science Chapter 10: Light: Mirrors and Lenses?
47 questions (18 easy, 23 medium, 6 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 8 Science syllabus, used by CBSE and many state boards.