In the relation $y = a\cos (\omega t - kx)$, the dimensional formula for $k$ is
  • A$[{M^0}{L^{ - 1}}{T^{ - 1}}]$
  • B$[{M^0}L{T^{ - 1}}]$
  • C$[{M^0}{L^{ - 1}}{T^0}]$
  • D$[{M^0}LT]$
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
    A screw gauge of pitch $0.5\,mm$ is used to measure the diameter of uniform wire of length $6.8\,cm$, the main scale reading is $1.5\,mm$ and circular scale reading is $7$. The calculated curved surface area of wire to appropriate significant figures is $......cm^2$ . [Screw gauge has $50$ divisions on the circular scale]
    View Solution
  • 2
    The unit of $e.m.f.$ is
    View Solution
  • 3
    Which pair do not have equal dimensions?
    View Solution
  • 4
    The least count of a stop watch is $\frac{1}{5}$ second. The time of $20$ oscillations of a pendulum is measured to be $25$ seconds. The maximum percentage error ig the measurement of time will be ..... $\%$
    View Solution
  • 5
    Which is not a physical quantity
    View Solution
  • 6
    Match List $I$ with List $II$

    LIST$-I$ LIST$-II$
    $(A)$  Torque $(I)$    $ML ^{-2} T ^{-2}$
    $(B)$   Stress $(II)$   $ML ^2 T ^{-2}$
    $(C)$   Pressure of gradient $(III)$   $ML ^{-1} T ^{-1}$
    $(D)$   Coefficient of viscosity $(IV)$   $ML ^{-1} T ^{-2}$

    Choose the correct answer from the options given below

    View Solution
  • 7
    Newton-second is the unit of
    View Solution
  • 8
    If velocity $v$, acceleration $A$ and force $F$ are chosen as fundamental quantities, then the dimensional formula of angular momentum in terms of $v,\,A$ and $F$ would be
    View Solution
  • 9
    The mean time period of second's pendulum is $2.00s$ and mean absolute error in the time period is $0.05s$. To express maximum estimate of error, the time period should be written as
    View Solution
  • 10
    If $a, b, c$ are the percentage errors in the measurement of $A, B$ and $C$, then the percentage error in $ABC$ would be approximately
    View Solution