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प्रश्न
The coldness or hotness of a substance is expressed by _______.
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उत्तर
The coldness or hotness of a substance is expressed by Temperature.
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संबंधित प्रश्न
Luminous intensity is the intensity of ______
The solid angle is measured in _______.
_______ is used to measure electric current.
The intersection of two straight lines gives us _______.
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.
Define – mole.
Temperature is a measure of total ______ of the particles in a system.
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.
