Sonorous
Sonorous is the property of a metal by which it produces a ringing sound when struck.
In one line: Ring on strike means sonorous.
Practice This ConceptUnderstand it
Many metals give a clear ringing sound because they vibrate well when hit. This is why bells are made of certain metals and not from soft non-metals. The property is physical and is observed by sound, not by any chemical reaction.
Example
Rule to remember
Rule: metals that produce a ringing sound on striking are called sonorous.
See it worked out
Follow the example line by line, then use the same method on new questions.
Worked example
- 1When a school bell is struck, it gives a clear ringing sound.
- 2That sound tells us the metal is sonorous.
Method you can reuse
- 1Identify the action.
- 2If the object gives a ringing sound when struck, choose sonorous.
- 3Do not confuse it with hardness or strength.
- 4Add a metal example if required.
Check yourself
Answer the question in your head before opening the answer.
Try it yourself
A bell made of metal produces a clear ringing sound when hit. Which property is this?
Think first, then show answerHide answer
Common wrong answer
Malleability.
Why it loses marks: Students think all visible metal properties are about shape only.
Don't mix this up
Exam tip
Write it in the exam
Each point is worth about one mark. Write point 1 for a 1-mark question and keep adding points as the marks go up.
How CBSE asks it
- 1
Enough for 1 mark
Sonorous is the property of a metal by which it produces a ringing sound when struck.
- 2
Add for 2 marks
Example: A metal bell rings clearly when struck with a hammer.
- 3
Add for 3 marks
Many metals give a clear ringing sound because they vibrate well when hit.
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