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प्रश्न
What are the differences between plane angle and solid angle?
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उत्तर
Difference between Plane Angle and Solid Angle:
- Plane Angle:
- The angle between the intersection of two lines or planes.
- It is two dimensional
- Unit is the radian.
- Solid Angle:
- The angle between the intersection of three or more planes at a common point.
- It is three-dimensional.
- Unit is steradian.
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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 _______.
The intersection of two straight lines gives us _______.
Amount of substance gives the number of particles present in a substance.
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.
Temperature is a measure of total ______ of the particles in a system.
How many base quantities are there?
Mention the SI unit of luminous flux.
