MCQ
The substances having very short plastic region are
  • A
    Ductile
  • Brittle
  • C
    Malleable
  • D
    All of these

Answer

Correct option: B.
Brittle
b
(b)

Substances with short plastic region are brittle because less amount of permanent deformation could be done in them.

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

A given mass of a gas is allowed to expand freely until its volume becomes double. If ${C_b}$ and ${C_a}$ are the velocities of sound in this gas before and after expansion respectively, then ${C_a}$ is equal to
A projectile is launched with a speed of $10\,m / s$ at an angle $60^{\circ}$ with the horizontal from a sloping surface of inclination $30^{\circ}$. The range $R$ is $........\,m$ (Take $g=10\,m / s ^2$ )
Real gases show mark able deviation from that of ideal gas behavior at:
The lower surface of a cube is fixed. On its upper surface, force is applied at an angle of $30°$ from its surface. The change will be of the type
A planet orbits in an elliptical path of eccentricity $e$ around a massive star considered fixed at one of the foci. The point in space, where it is closest to the star is denoted by $P$ and the point, where it is farthest is denoted by $A$. Let $v_P$ and $v_A$ be the respective speeds at $P$ and $A$, then
A $750 \,W$ motor drives a pump which lifts $300 \,L$ of water per minute to a height of $6 \,m$. The efficiency of the motor is nearly (Take, acceleration due to gravity to be $10 \,m / s ^2$ )
A bullet of mass $40 \,g$ is fired from a gun of mass $10 \,kg$. If velocity of bullet is $400 \,m / s$, then the recoil velocity of the gun will be ..........
Dimensional formula of heat energy is
$25N$ force is required to raise $75\ kg$ mass from a pulley. If rope is pulled $12m,$ then the load is lifted to $3m,$ the efficiency of pulley system will be,
The number of gas molecules striking per second per square metre of the top surface of a table placed in a room at $20^{\circ} C$ and 1 atmospheric pressure is of the order of $\left(k_{B}=1.4 \times 10^{-23} \,JK ^{-1}\right.$ and the average mass of an air molecule is $5 \times 10^{-27} \,kg$ )