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प्रश्न
Amount of substance gives the number of particles present in a substance.
पर्याय
True
False
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उत्तर
Amount of substance gives the number of particles present in a substance- True.
APPEARS IN
संबंधित प्रश्न
_______ is used to measure electric current.
The intersection of two straight lines gives us _______.
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.
Consider the statement given below and choose the correct option.
Assertion: Radian is the unit of solid angle.
Reason: One radian is the angle subtended at the center of a circle by an arc of length equal to its radius.
Give the name of the instrument used for the measurement of temperature.
What do you mean by luminous intensity?
What is electric current?
Temperature is a measure of total ______ of the particles in a system.
