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प्रश्न
Define – mole.
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उत्तर
Mole is defined as the amount of substance, which contains 6.023 x 1023 entities.
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संबंधित प्रश्न
Electric current is a ______ quantity
The solid angle is measured in _______.
The coldness or hotness of a substance is expressed by _______.
Temperature is a measure of total kinetic energy of the particles in a system.
Amount of substance gives the number of particles present in a substance.
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.
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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`
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Mention the SI unit of luminous flux.
