MCQ
Highest viscosity will be:
  • of mercury
  • B
    of water
  • C
    of oxygen
  • D
    of hydrogen

Answer

Correct option: A.
of mercury
A

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

Given below are two statements:

Statement $I:$ If $E$ be the total energy of a satellite moving around the earth, then its potential energy will be $\frac{E}{2}$.

Statement $II:$ The kinetic energy of a satellite revolving in an orbit is equal to the half the magnitude of total energy $E$.

In the light of the above statements, choose the most appropriate answer from the options given below

Solve the previous question if the closed loop is completely enclosed in the circuit containing the switch.
  1. An anticlockwise current-pulse.
  2. A clockwise current-pulse.
  3. An anticlockwise current-pulse and then a clockwise current-pulse.
  4. A clockwise current-pulse and then an anticlockwise current-pulse.
The relative error in the measurement of the side of a cube is $0.027$. The relative error in the measurement of its volume is .......... 
A particle executes simple harmonic motion with an amplitude of $5\, cm$. When the particle is at $4\, cm$ from the mean position, the magnitude of its velocity is $SI\,units$ is equal to that of its acceleration. Then, its periodic time in seconds is
$A$ small ball $B$ of mass $m$ is suspended with light inelastic string of length $L$ from $a$ block $A$ of same mass $m$ which can move on smooth horizontal surface as shown in the figure. The ball is displaced by angle $\theta$ from equilibrium position & then released. Tension in string when it is vertical, is
A simple pendulum consisting of a mass $M$ attached to a string of length $L$ is released from rest at an angle $\alpha$. $A$ pin is located at a distance $l$ below the pivot point. When the pendulum swings down, the string hits the pin as shown in the figure. The maximum angle $\theta$ which string makes with the vertical after hitting the pin is :-
For the figure shown, when arc $ACD$ and $ADB$ are made of same material, the heat carried between $A$ and $B$ is $H$ . If $ADB$ is replaced with another material, the heat carried becomes $2H$ . If the temperatures at $A$ and $B$ are fixed at $T_1$ and $T_2$ , what is the ratio of the new conductivity to the old one of $ADB$
$200\,g$ water is heated from $40\,^oC$ to $60\,^oC.$ Ignoring the slight expansion of water, the change in its internal energy is close to ...... $kJ$ (Given specific heat of water $=4184\,J/kgK$ )
The horizontal range is four times the maximum height attained by a projectile. The angle of projection is ......... $^o$
The figure shows a velocity-time graph of a particle moving along a straight line  If the particle starts from the position $x_0=-15\,m$ , then its position at $t=2\,s$ will be   ........ $m$