PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoMark the correct choice as,
(a) If both the assertion and the reason are true and the reason is the correct explanation of assertion.
(b) If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.
(b) If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
(c) Assertion is true, but the reason is false.
(d) Assertion is false, but the reason is true.
1.
| Assertion: | The accelerated motion of an object may be due to change in magnitude of velocity or direction or both of them. |
| Reason: | Acceleration can be produced only by change in magnitude of the velocity. It does not depend the direction. |
2
| Assertion: | The Speedometer of a car or a motor-cycle measures its average speed. |
| Reason: | Average velocity is equal to total displacement divided by total time taken. |
3.
| Assertion: | Displacement of a body may be zero when distance travelled by it is not zero. |
| Reason: | The displacement is the shortest distance between initial and final position. |
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