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प्रश्न
Luminous intensity is the intensity of ______
विकल्प
laser light
UV light
visible light
IR light
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उत्तर
Luminous intensity is the intensity of visible light.
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संबंधित प्रश्न
The coldness or hotness of a substance is expressed by _______.
_______ is used to measure electric current.
Temperature is a measure of total kinetic energy of the particles in a system.
If one coulomb of charge is flowing in one minute, it is called ‘ampere’
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 |
Name the three scales of temperature.
What do you mean by luminous intensity?
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`
Mention the SI unit of luminous flux.
