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प्रश्न
The coldness or hotness of a substance is expressed by _______.
रिकाम्या जागा भरा
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उत्तर
The coldness or hotness of a substance is expressed by Temperature.
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Base Quantities and Units
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संबंधित प्रश्न
One mole of a substance contains _______ atoms or molecules.
The intersection of two straight lines gives us _______.
Temperature is a measure of total kinetic energy of the particles in a system.
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?
Define – mole.
What are the differences between plane angle and solid angle?
What is electric current?
