Unit of energy is
  • A$J/\sec $
  • B$Watt - day$
  • C$Kilowatt$
  • D$gm{\rm{ - }}cm/{\sec ^2}$
Easy
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    Dimensional formula for angular momentum is
    View Solution
  • 2
    Match List-I with List-II and select the correct answer by using the codes given below the lists
    List - I List - II
     $(A)$ Distance between earth and stars  $(1)$ Microns
     $(B)$ Inter-atomic distance in a solid  $(2)$ Angstroms
    $(C)$ Size of the nucleus    $(3)$ Light years
     $(D)$ Wavelength of infrared laser $(4)$ Fermi
      $(5)$ Kilometres
    View Solution
  • 3
    The two specific heat capacities of a gas are measured as $C_P = (12.28 \pm 0.2)\, units$ and $C_V = (3.97 \pm 0.3)\, unit$. Find the value of the gas constant $(R)$
    View Solution
  • 4
    A simple pendulum is being used to determine the value of gravitational acceleration $\mathrm{g}$ at a certain place. The length of the pendulum is $25.0\; \mathrm{cm}$ and a stop watch with $1\; \mathrm{s}$ resolution measures the time taken for $40$ oscillations to be $50\; s$. The accuracy in $g$ is  ....... $\%$
    View Solution
  • 5
    The damping force on an oscillator is directly proportional to the velocity.The units of the constant of proportionality are
    View Solution
  • 6
    The quantity $X = \frac{{{\varepsilon _0}LV}}{t}$: ${\varepsilon _0}$ is the permittivity of free space, $L$ is length, $V$ is potential difference and $t$ is time. The dimensions of $X$ are same as that of
    View Solution
  • 7
    A student determined Young's Modulus of elasticity using the formula $Y=\frac{M g L^{3}}{4 b d^{3} \delta} .$ The value of $g$ is taken to be $9.8 \,{m} / {s}^{2}$, without any significant error, his observation are as following.

    Physical Quantity Least count of the Equipment used for measurement Observed value
    Mass $({M})$ $1\; {g}$ $2\; {kg}$
    Length of bar $(L)$ $1\; {mm}$ $1 \;{m}$
    Breadth of bar $(b)$ $0.1\; {mm}$ $4\; {cm}$
    Thickness of bar $(d)$ $0.01\; {mm}$ $0.4 \;{cm}$
    Depression $(\delta)$ $0.01\; {mm}$ $5 \;{mm}$

    Then the fractional error in the measurement of ${Y}$ is

    View Solution
  • 8
    Consider the following equation of Bernouilli’s theorem. $P + \frac{1}{2}\rho {V^2} + \rho gh = K$ (constant)The dimensions of $K/P$  are same as that of which of the following
    View Solution
  • 9
    The dimensions of universal gravitational constant are
    View Solution
  • 10
    In terms of basic units of mass $(M)$, length $(L)$, time $(T)$ and charge $(Q)$, the dimensions of magnetic permeability of vacuum $\left(\mu_0\right)$ would be
    View Solution