Question

Given below are two statements: one is labelled as Assertion \(A\) and the other as Reason \(R\):
Assertion \(A\): A sound wave has higher speed in solids than in gases.
Reason \(R\): Gases have higher value of Bulk modulus than solids.

• A. \(A\) is false but \(R\) is true
• B. Both \(A\) and \(R\) are true and \(R\) is the correct explanation of \(A\)
• C. Both \(A\) and \(R\) are true but \(R\) is NOT the correct explanation of \(A\)
• D. \(A\) is true but \(R\) is false

Hint:

Always verify the physical properties involved in physics problems to understand the underlying principles correctly.

Answer 1

The Correct Option is D

Step 1: Evaluate the truth of \(A\) and \(R\). Sound travels faster in solids than in gases due to the higher density and elastic properties of solids, not gases.

Step 2: Determine the correctness of \(R\). In fact, solids generally have a higher Bulk modulus than gases, contradicting the statement of \(R\).

Conclusion: Assertion \(A\) is true, stating that sound waves travel faster in solids is correct, but Reason \(R\) is false as gases typically have a lower Bulk modulus than solids.