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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
Electric current is a ______ quantity
The solid angle is measured in _______.
_______ is used to measure electric current.
The intersection of two straight lines gives us _______.
If one coulomb of charge is flowing in one minute, it is called ‘ampere’
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.
Give the name of the instrument used for the measurement of temperature.
How many base quantities are there?
What is the symbol for a unit of electric current?
