Physics

Which of the following is not a derived quantity?


ANSWER

The height of a room


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

You're just one step away

Create your Digital Resume For FREE on your name's sub domain "yourname.wcard.io". Register Here!


Single Correct Medium Published on 18th 08, 2020
Next Question
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 199
Enroll Now For FREE

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

View Answer
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

View Answer
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

View Answer
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

View Answer
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

View Answer