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(A): The magnitude of a physical quantit...

(A): The magnitude of a physical quantity does not change when the system of units is changed from S.I system to C.G.S system.
(R): The magnitude of a physical quantity is independent of system of units

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Entropy of a thermodynamic system does not change when this system is used for :

    A
    conduction of heat from higher to lower temperature
    B
    conversion of heat into work isobarically
    C
    conversion of heat into internal energy isochorically
    D
    conversion of work into heat isochorically
  • The dimensional formula of the physical quantity whose S.I. unit is farad is

    A
    `ML^(2) T^(-3) I^(-2)`
    B
    `M^(-1) L^(-3) T^(4) I^(2)`
    C
    `M^(-1) L^(-2) T^(4) I^(2)`
    D
    `M^(-1) L^(-2) T^(3) I^(2)`
  • The dimensional formula of the physical quantity whose S.I. unit is farad is

    A
    `ML^(2)T^(-3)I^(-2)`
    B
    `M^(-1)L^(-3)T^(4)I^(2)`
    C
    `M^(-1)L^(-2)T^(4)I^(2)`
    D
    `M^(-1)L^(-2)T^(3)I^(2)`
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