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प्रश्न
What do you mean by luminous intensity?
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उत्तर
The measure of the power of the emitted light, by a light source in a particular direction, per unit solid angle, is called luminous intensity.
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संबंधित प्रश्न
Luminous intensity is the intensity of ______
_______ 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 are the differences between plane angle and solid angle?
Assertion: Radian is the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.
Reason: 1 radian = `180/π`
What is the symbol for a unit of electric current?
Mention the SI unit of luminous flux.
