Physics-
General
Easy
Question
A dimensionless quantity -
- never has a unit
- always has a unit
- may have a unit
- does not exist
The correct answer is: may have a unit
Related Questions to study
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If x = at + bt2, where x is in metres and t in hours (hr), then unit of b will be -
If x = at + bt2, where x is in metres and t in hours (hr), then unit of b will be -
Physics-General
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sin2
+ sin2
+ sin2
– sin2
is equal to
sin2
+ sin2
+ sin2
– sin2
is equal to
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After rounding off the number 4621 to 2 signification digits the value becomes -
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The significant digits in 200.4 are -
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After rounding off the number 4621 to 2 signification digits the value becomes -
After rounding off the number 4621 to 2 signification digits the value becomes -
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The significant digits in 200.4 are -
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The unit of Planck's constant is –
The unit of Planck's constant is –
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The dimension of
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The dimensions of surface tension are (surface tension =
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The dimensions of surface tension are (surface tension =
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A force F is given by F = at + bt2, where t is time. What are the dimensions of a and b –
A force F is given by F = at + bt2, where t is time. What are the dimensions of a and b –
Physics-General
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The area of a rectangle of size 1.23 cm × 2.345 cm is -
The area of a rectangle of size 1.23 cm × 2.345 cm is -
Physics-General
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The dimensions of
in the equation P =
where P is pressure, x is distance and t is time are -
The dimensions of
in the equation P =
where P is pressure, x is distance and t is time are -
Physics-General
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Which of the following physical quantities do not have the same dimensions
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P =
exp
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P =
exp
TemperatureP PressureKB Boltzman constantZ Distance Dimension of is -
Physics-General