If the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a labelled ray diagram to support your answer.
If the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a labelled ray diagram to support your answer.
Official answer
The mirror is a convex mirror. The ray diagram for a convex mirror is shown below:
In this ray diagram, the object is placed at infinity, and the image formed is erect and diminished.
Hint
Recall the characteristics of images formed by convex mirrors.
Quick oral answer
A convex mirror is a type of spherical mirror that always forms an erect and diminished image of an object, regardless of the object's position.
Common mistakes
- 1.thinking that a concave mirror can form an erect and diminished image
Analysis and explanation
The question states that the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished. This is a characteristic of a convex mirror. A convex mirror always forms an erect and diminished image of an object, regardless of the object's position.
Interesting facts
Convex mirrors are commonly used as rear-view mirrors in vehicles.
Question details
Q5 of 27 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2018
- Section
- Section A
- Marks
- 2
- Type
- Short Answer
- Chapter
- Light — Reflection and Refraction
- Topic
- Spherical Mirrors
- Bloom's level
- Remembering
- Syllabus topic
- Reflection of Light
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Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2018?
This question carries 2 marks in the CBSE Class 10 Science 2018 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Light — Reflection and Refraction" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Spherical Mirrors" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2018 paper?
This is a Short Answer question from Section A in the CBSE Class 10 Science 2018 paper.