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Question
Consider the statement given below and choose the correct option.
Assertion: Radian is the unit of solid angle.
Reason: One radian is the angle subtended at the center of a circle by an arc of length equal to its radius.
Options
Both assertion and reason are true and the reason is the correct explanation of the assertion.
Both assertion and reason are true but the reason is not the correct explanation of the assertion.
Assertion is true, but reason is false.
Both assertion and reason are false.
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Solution
Assertion is false, but reason is true.
Correct explanation:
Radian is the unit of plane angle.
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Match the following.
| Temperature | Closeness to the actual value |
| Plane angle | Measure of hotness or coldness |
| Solid angle | Closeness to two or more measurements |
| Accuracy | Angle formed by the intersection of three or more planes |
| Precision | Angle formed by the intersection of two planes |
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