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Basic Physics
1.
Which of the following quantities is not dimensionless ?
- A.Reynold's number
- B.Strain
- C.Angle
- D.Radius of gyration
- Answer
- Report
Answer : [D]
2.
Which of the following pairs have same dimensions ?
- A.Torque and work
- B.Angular momentum and work
- C.Energy and Young's modulus
- D.Light year and wavelength
- Answer
- Report
Answer : [A]
3.
Which of the following physical quantities has neither dimensions nor unit ?
- A.Angle
- B.Luminous intensity
- C.Coefficient of friction
- D.Current
- Answer
- Report
Answer : [C]
4.
Which of the following is dimensionally correct ?
- A.Specific heat = joule per kilogram kelvin
- B.Specific heat = newton per kilogram kelvin
- C.Specific heat = joule per kelvin
- D.none of these
- Answer
- Report
Answer : [A]
5.
Which of the following is not correct for dimensionless quantity ?
- A.It does not exist
- B.It always has a unit
- C.It never has a unit
- D.It may have a unit
- Answer
- Report
Answer : [B]
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