The dimensional formula of the coefficient of thermal conductivity is :
1.
2.
3.
4.
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If L,Q,R represent inductance, charge and resistance respectively, the units of
[This question includes concepts from 12th syllabus]
1. will be those of current
2. will be those of energy
3. will be those of current
4. will be those of power
Difficulty Level:
The quantity has dimensional formula same as [This question includes concepts from 12th syllabus]
1.
2.
3.
4. Power
Difficulty Level:
Light year is a unit of
(1) Time
(2) Mass
(3) Distance
(4) Energy
Difficulty Level:
The magnitude of any physical quantity :
(1) Depends on the method of measurement
(2) Does not depend on the method of measurement
(3) Is more in SI system than in CGS system
(4) Directly proportional to the fundamental units of mass, length and time
Difficulty Level:
Which of the following is not equal to watt ?
(1) Joule/second
(2) Ampere volt
(3) (Ampere)2 ohm
(4) Ampere/volt
Difficulty Level:
Newton–second is the unit of
(1) Velocity
(2) Angular momentum
(3) Momentum
(4) Energy
Difficulty Level:
Which of the following is not represented in correct unit
(1)
(2) Surface tension =
(3) Energy
(4) Pressure
Difficulty Level:
One second is equal to :
(1) 1650763.73 time periods of clock
(2) 652189.63 time periods of clock
(3) 1650763.73 time periods of clock
(4) 9192631770 time periods of clock
Difficulty Level:
Difficulty Level: