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प्रश्न
Define – mole.
व्याख्या
एका वाक्यात उत्तर
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उत्तर
Mole is defined as the amount of substance, which contains 6.023 x 1023 entities.
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Base Quantities and Units
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संबंधित प्रश्न
Electric current is a ______ quantity
_______ is used to measure electric current.
One mole of a substance contains _______ atoms or molecules.
If one coulomb of charge is flowing in one minute, it is called ‘ampere’
Angle formed at the top of a cone is an example for ‘plane angle’
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.
Name the three scales of temperature.
What do you mean by luminous intensity?
What is the symbol for a unit of electric current?
