

MCQOPTIONS
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1. |
Assertion: Radar is used to detect an aeroplane in the sky Reason: Radar works on the principle of reflection of waves. |
A. | If both assertion and reason are true and the reason is the correct explanation of the assertion. |
B. | If both assertion and reason are true but reason is not the correct explanation of the assertion. |
C. | If assertion is true but reason is false. |
D. | If the assertion and reason both are false. |
E. | If assertion is false but reason is true. |
Answer» B. If both assertion and reason are true but reason is not the correct explanation of the assertion. | |