MCQ
Which of the following is not represented in correct unit
  • A
    $\frac{{{\rm{Stress}}}}{{{\rm{Strain}}}} = N/{m^2}$
  • B
    Surface tension =$N/m$
  • Energy $ = kg{\rm{ - }}m/\sec $
  • D
    Pressure $ = N/{m^2}$

Answer

Correct option: C.
Energy $ = kg{\rm{ - }}m/\sec $
c
(c) Unit of energy will be $kg{\rm{ - }}{m^2}/{\sec ^2}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Two capillary tubes of same diameter are put vertically one each in two liquids whose relative densities are $0.8$ and $0.6$ and surface tensions are $60$ and $50\, dyne/cm$ respectively Ratio of heights of liquids in the two tubes $\frac{h_1}{h_2}$ is
A small ball is projected up a smooth inclined plane with an initial speed of $10\ m/s$ along the direction at $30^o $ to the bottom edge of the slope. It returns to the edge after $2\, s$. The ball is in contact with the inclined plane throughout the process. ....... $^o$ is the inclination angle of the plane.
$A$ ball is thrown vertically downwards with velocity $\sqrt {2gh} $ from $a$ height $h$. After colliding with the ground it just reaches the starting point. Coefficient of restitution is
A particle tied to one end of a string is being rotated in a vertical circle with constant frequency. The tension in the string at points $A, B, C$ and $D$ are $T_1, T_2, T_3$ and $T_4$ respectively Then
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
Find the odd one out and give the reason: speed, distance, mass, velocity:
A weightless spring of length $60\, cm$ and force constant $200\, N/m$ is kept straight and unstretched on a smooth horizontal table and its ends are rigidly fixed. A mass of $0.25\, kg$ is attached at the middle of the spring and is slightly displaced along the length. The time period of the oscillation of the mass is
If the heart pushes $1 cc$  of blood in one second under pressure $20000 N/m^2$ the power of heart is.......$ W$
A motorcycle is going on an overbridge of radius $R$. The driver maintains a constant speed. As the motorcycle is ascending on the overbridge, the normal force on it
A particle performs harmonic oscillations along a straight line with a period of 6s and amplitude 4cm. The mean velocity of the particle averaged over the time interval during which it travels a distance of 2cm starting from the extreme position is: