Physics

# The dimension $M{L^{ - 1}}{T^{ - 2}}$ may correspond to

Pressure

Energy per unit volume

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Multiple Correct Medium Published on 18th 08, 2020
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Subjects 8
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#### Realted Questions

Q1 Single Correct Medium
The dimension of intensity of wave is:
• A. $\left[ { ML }^{ 2 }T^{ -3 } \right]$
• B. $\left[ { ML }^{ 0 }T^{ -3 } \right]$
• C. $\left[ { ML }^{ -2 }T^{ -3 } \right]$
• D. $\left[ { { M }^{ 1 }L }^{ 2 }T^{ 3 } \right]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Single Correct Medium
If $\xrightarrow { A } =3\hat { i } -\quad 4\hat { j }$ and $\overrightarrow { B } =-\hat { i } -\quad 4\hat { j }$, calculate the direction of $\overrightarrow { A } -\overrightarrow { B }$
• A. along positive x- axis
• B. along negative x- axis
• C. along positive y- axis
• D. along negative y - axis

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Single Correct Medium
Which of the following operations make no sense in case of scalars and vectors:
• A. Multiplying any vector by a scalar
• B. Adding a component of vector to the same vector
• C. Multiplying any two scalars
• D. Adding a scalar to a vector of the same dimension

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 Subjective Medium
'The order of magnitude of a physical quantity must be expressed in proper unit'. Comment on this statement

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q5 Single Correct Medium
Light years is the unit of:
• A. time
• B. length
• C. mass
• D. none of these

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020