MCQ
Modulus of rigidity of diamond is
  • A
    Too less
  • Greater than all matters
  • C
    Less than all matters
  • D
    Zero

Answer

Correct option: B.
Greater than all matters
b
(b)

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

In an industrial process $10\, kg$ of water per hour is to be heated from $20°C$ to $80°C$. To do this steam at $150°C$ is passed from a boiler into a copper coil immersed in water. The steam condenses in the coil and is returned to the boiler as water at $90°C.$ how many $kg$ of steam is required per hour. $($Specific heat of steam $= 1$ $calorie \,per\, gm°C,$ Latent heat of vaporisation $= 540 \,cal/gm)$
$Y $ component of velocity is $20$ and $X$ component of velocity is $10$. The direction of motion of the body with the horizontal at this instant is
A nonzero external force acts on a system of particles. The velocity and the acceleration of the centre of mass are found to be $\text{v}_0$ and $\text{a}_0$ at instant $t.$ It is possible that:
$Assertion$ : A quick collision between two bodies is more violent than a slow collision; even when the initial and final velocities are identical.
$Reason$ : The momentum is greater in first case.
If liquid level falls in a capillary then radius of capillary will
The amplitude of the vibrating particle due to superposition of two $SHMs,$

$y_1 = \sin \left( {\omega t + \frac{\pi }{3}} \right)$ and $y_2 = \sin \omega t$ is :

A sound source is moving towards a stationary listener with $\frac{1}{10}$ of the speed of sound. The ratio of apparent to real frequency is:
A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches $30^o $, the box starts to slip and slides $4.0\, m $ down the plank in $4.0\, s.$ The coefficients of static and kinetic friction between the box and the plank will be, respectively 
In resonance tube two successive positions of resonance are obtained at $15 \,cm$ and $48 \,cm$. If the frequency of the fork is $500 \,cps$, the velocity of sound is ......... $m / s$
Good absorbers of heat are