MCQ
When a bimetallic strip is heated, it
  • A
    Does not bend at all
  • B
    Gets twisted in the form of an helix
  • Bend in the form of an arc with the more expandable metal outside
  • D
    Bends in the form of an arc with the more expandable metal inside

Answer

Correct option: C.
Bend in the form of an arc with the more expandable metal outside
c
(c) A bimetallic strip on being heated bends in the form of an arc with more expandable metal $(A)$ outside (as shown) correct.

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

An astronaut orbiting the earth in a circular orbit $120\, km$ above the surface of earth, gently drops a spoon out of space-ship. The spoon will
The acceleration of the $2\,kg$ block if the free end of string is pulled with a force of $20\,N$ as shown is
A stone of mass $m$, tied to the end of a string , is whirled around in a circle on a horizontal frictionless table. The length of the string is reduced gradually keeping the angular momentum of the stone about the centre of the circle constant. Then , the tension in the string is given by $T\, = Ar^n$, where $A$ is a constant, $r$ is the instantaneous radius of the circle. The value of $n$ is equal to
A closed bottle containing water at $30^{\circ} C$ is open on the surface of the moon. Then,
A force of $6\; N$ acts on a body at rest and of mass $1\; kg$. During this time, the body attains a velocity of $30\; m / s$. The time for which the force acts on the body is ..... $seconds$
Stationary waves of frequency $300\, Hz$ are formed in a medium in which the velocity of sound is $1200$ metre/sec. The distance between a node and the neighbouring antinode is ... $m$
A body of mass $2\ kg$ makes an elastic collision with another body at rest and comes to rest. The mass of the second body which collides with the first body is:
An object is projected from ground with speed $u$ at angle $\theta$ with horizontal. the radius of curvature of its trajectory at maximum height from ground is ..........
There are three arrangement of three point masses (each of mass $m$). In which of the following three arrangements they are arranged in order of increasing magnitude of gravitational force on point mass marked as $1$ ?
A capillary type tube $AB$ is connected to a manometer $M$ as shown in the figure. Stopper $S$ controls the flow of air. $AB$ is dipped into a soap solution where surface tension is $T$ . On opening the stopper for a while, a bubble is formed at $B$ end of the manometer and the level difference in manometer limbs is $h$ . If $P$ is the density of manometer soap solution and $r$ the radius of curvature of bubble, then the surface tension $T$ of the liquid is given by ...