Question

Give examples of dimensional constants and dimensionless constants

Answer 1

Those constant which have dimension but constant value called dimensional constants ,
example of these constant like gravitational constant, electric field constant , efsonal(€) ,etc there are many dimension constants .
Those constant which have not dimension but constant value called dimensionless constant
example of dimensionless constant is all mathematical integral, no. , relativity permitivity constant ,these are few examples
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Answer 2

Answer:

Physical quantities can be classified into dimensional and dimensionless constants, with their respective examples, as follows.

Step-by-step explanation:

As we have studied, the physical quantities can be divided into different types. Here, we classify them into constants and variables, and further, into dimensional constants and dimensionless constants.

• Dimensional constants are a type of physical quantity, which have a fixed unit (i.e., are constants) and have specific dimensions.
  Eg. - Planck's Constant, Gravitational Constant, etc.
• Dimensionless constants, on the other hand, are another type of physical quantity that have a fixed unit (i.e., are a constant) without specific dimensions.
  Eg. - fine-structure constant, electromagnetic interactions' coupling constant, etc.

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