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Basic Physics
16.
State which of the following is correct ?
- A.joule = coulomb x volt
- B.joule = coulomb/volt
- C.joule = volt + coulomb
- D.joule = volt/coulomb
- Answer
- Report
Answer : [A]
17.
The dimensional formula of electrical conductivity is :
- A.[M-1L -3T3A2 ]
- B.[ML3T3A2 ]
- C.[M2L3T-3A2 ]
- D.[ML3T-3A-2 ]
- Answer
- Report
Answer : [A]
18.
Which of the following pair has same dimensions ?
- A.Current density and charge density
- B.Angular momentum and momentum
- C.Spring constant and surface energy
- D.Force and torque
- Answer
- Report
Answer : [C]
19.
The dimensional formula Of the Hall coefficient is :
- A.[M0L0A-2T-1 ]
- B.[M0L3AJ]
- C.[M0L0 AT]
- D.[M0L3A-1T]
- Answer
- Report
Answer : [D]
20.
Universal time is based on :
- A.rotation of earth on its axis
- B.oscillation of quartz crystal
- C.vibration of caesium atom
- D.earth's orbital motion around the sun
- Answer
- Report
Answer : [A]
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