Physics

# Which of the following is not a derived quantity?

The height of a room

##### SOLUTION
Height of a room is not a derived quantity as it measures fundamental quantity length.

You're just one step away

Single Correct Medium Published on 18th 08, 2020
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 199

#### Realted Questions

Q1 Single Correct Medium
The potential energy of a particle varies with distance $x$ from a fixed origin as $U = \cfrac{{A\sqrt x }}{{{x^2} + B}}$, where A and B are dimensional constants then dimensional formula for AB is
• A. $\left[ {M{L^{7/2}}{T^{ - 2}}} \right]$
• B. $\left[ {M{L^{11/2}}{T^{ - 2}}} \right]$
• C. $\left[ {M{L^{9/2}}{T^{ - 2}}} \right]$
• D. $\left[ {M{L^{13/2}}{T^{ - 2}}} \right]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Single Correct Medium
The dimensions of torque are
• A. $[MLT^{-2}]$
• B. $[ML^2T^{-2}]$
• C. $[ML^2T^{-1}]$
• D. $[M^2L^2T^{-2}]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Single Correct Medium
The dimensional formula for universal gravitational constant is:
• A. ${ M }^{ 1 }{ L }^{ 3 }{ T }^{ -2 }$
• B. ${ M }^{ 0 }{ L }^{ 2 }{ T }^{ -2 }$
• C. ${ M }^{ 1 }{ L }^{ 2 }{ T }^{ -2 }$
• D. ${ M }^{ -1 }{ L }^{ 3 }{ T }^{ -2 }$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 Single Correct Medium
In the relation $P=\dfrac { \alpha }{ \beta } { e }^{\dfrac{ -az}{K\theta } },$ $P$ is pressure, $K$ is Boltzmann constant, $Z$ is distance and $\theta$ is temperature. The dimensional formula of $\beta$ will be:
• A. $\left[ M^{ 0 }{ L }^{ 2 }{ T }^{ 0 } \right]$
• B. $\left[ M^{ 1 }{ L }^{ 2 }{ T }^{ 1 } \right]$
• C. $\left[ {ML }^{ 0 }{ T }^{ -1 } \right]$
• D. $\left[ M^{ 0 }{ L }^{ 2 }{ T }^{ -1 } \right]$

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