Assertion : Metals are said to be sonorous. Reason : Metals conduct heat and electricity. (a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion. (b) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion. (c) Assertion is true but Reason is false. (d) Both Assertion and Reason are false.
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both assertion and reason are true.
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The correct option is (b) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
- Here, sonorous refers to the ringing sound a metal makes when striking against another material.
- Metals can conduct heat by conduction. Metals are also good conductors of electricity as they have free electrons to transmit electricity.
- However, metals are sonorous because they have little electronegativity and little energy is dissipated when they are hit.
- As a result, the kinetic energy is spread in the waveform.
- Thus, both assertion and reason statements are correct, but the reason statement does not explain assertion.
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