Fundamental and derived quantities - class-XI
Description: fundamental and derived quantities | |
Number of Questions: 72 | |
Created by: Palash Sundaram | |
Tags: nature of the physical world and measurement units and measurements measurement and measuring instrument measurements and units physics physical world and measurement measurement units and measurement: error analysis units and measurement measurements and experimentation |
Which of the following units is a unit of power?
Spot out the odd one.
The unit of power is:
The velocity of a particle is given as $v = a + b t + c t ^ { 2 }$ .the velocity is measured in $\mathrm { ms } ^ { - 1 }$ , then units of a and c are
Three of these quantities have the same unit. Which quantity has a different unit ?
Pascal is a unit of
The unit of $\dfrac{d^{2}y}{dx^{2}}$ is [where y is energy and x is distance]
Curie is the unit of
The magnetic moment of electron is :
The kilowatt hour is a unit of energy.
Unit of gravitational potential energy is ______.
The $SI$ unit of specific heat capacity is $J\ kg^{-1}K^{-1}$.
What is the unit of specific heat capacity expressed in $SI$ base units?
Which of the following is a derived physical quantity?
Temperature can be expressed as derived quantity in terms of the following
What is C.G.S unit of density?
Newton is the unit of which quantity.
One horse power is equal to
Which of the following is derived units of work?
Write the derived S.I units of force.
How is the following derived unit related to the fundamental units?
Newton is written in fundamental units as $kg\ m/s^{x}$. Value of $x$ is:
If pascal is written in fundamental units as kg m$^{-x} s^{-2}$,then $x$ is:
Name the physical quantities related to joule.
Write the derived unit of pressure.
Name the physical quantities which are measured in the $ns$.
$Js$ is the unit of
The SI unit of magnetic permeability is:
Which is not the unit of Force:
Which of the following is different from others ?
Density is a ________ physical quantity.
The effect of an impulse force on the body is measured only in terms of its
Energy cannot be measured in
$ \dfrac{kg}{m^3} $ is an S.I unit of density.
SI unit of momentum is
Any unit which can be obtained by the combination of one or more fundamental units is called
Unit of relative density is $kg\ m^{-3}$.
Derived units can be defined in terms of one or multiple fundamental units.
An atmosphere
Which of the following has derived dimension?
Which of the following physical quantities has neither dimensions nor unit?
Kilowatt hour (kWh) represents the unit of
SI unit of $g$ i.e. the acceleration due to gravity is
Pressure depends on distance as, $P=\dfrac{\alpha}{\beta}exp\left(-\dfrac{\alpha z}{k\theta}\right)$, where $\alpha, \beta$ are constants, z is distance, k is Boltzmann's constant and $\theta$ is temperature. The dimension of $\beta$ are.
Which of the following is not the unit of mobility?
The unit of Stefans constant $\sigma$ is:
If $ \overline { A } $ and $ \overline { B } $ two different physical quantities, Which of the following mathematical operations is/are valid.
SI unit of modulus of elasticity is
The SI unit of permeability of free space is
The value of Faraday number in SI unit is:
SI unit of heat capacity is
The unit of power is
Joule -second is the unit of
A physical quantity u is given by the relation $u=\dfrac{B^2}{2\mu _0}$
Here, $B=$ magnetic field strength
$\mu _o=$ magnetic permeability of vacuum
The name of physical quantity u is?
Match the columns :
I | II | |
---|---|---|
1. Mass | a. $m/s^2$ | |
2. Weight | b. kilogram | |
3. Gravitational acceleration | c. $Nm^2\,\,kg^{-2}$ | |
4. Gravitational constant | d. Newton |
The SI units of mass and weight are ______
Name the physical quantities related to the following units km$^2$
How watt is related to the fundamental units?
Which pair of following quantities has dimensions different from each other.
$\displaystyle { g\ cm\ s }^{ -2 }$ is also known as
In the SI system, the unit of P.E. is
Identify the uncommon quantity
Identify the common unit used to measure energy?
Volume is a derived quantity of length. True or false
Identify the derived quantities among the following.
Using dimensional analysis the resistivity in terms of fundamental constants $h, m _e, c, e, \varepsilon _o$ can be expressed as.
1 kg f cm$^{-2}$ .................. Nm$^{-2}$ .
Which of the following quantities has its unit as newton second?
The SI unit of power is ....................... .
m$^3$ is the MKS unit of ....................... .
Symbol for steradian is ....................... .
Among the following identify derived quantities?
Which of the following is larger unit of density ?