PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoIn each of the following questions, a statement of Assertion is given, and a statement of Reason is given just below it. Of statements given below mark the correct answer:
a. If both assertion and reason are true and reason is the correct explanation of assertion.
b. If both assertion and reason are true but reason is not the correct explanation of assertion.
c. Assertion is true but reason is false.
d. Assertion is false but reason is true.
1.
| Assertion: | The change in air pressure affects the speed of sound. |
| Reason: | The speed of sound in a gas is proportional to the square of the pressure. |
2.
| Assertion: | Sound travels faster in solids than in gases. |
| Reason: | Solid posses a greater density than that of gases. |
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