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प्रश्न
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.
विकल्प
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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उत्तर
Assertion is false, but reason is true.
Correct explanation:
Radian is the unit of plane angle.
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संबंधित प्रश्न
_______ is used to measure electric current.
The intersection of two straight lines gives us _______.
Amount of substance gives the number of particles present in a substance.
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 |
Consider the statement given below and choose the correct option
Assertion: Electric current, amount of substance, luminous intensity are the fundamental physical quantities.
Reason: They are independent of each other.
What do you mean by luminous intensity?
Define – mole.
What are the differences between plane angle and solid angle?
How many base quantities are there?
Mention the SI unit of luminous flux.
