MCQ
According to Hook's law force is proportional to
  • A
    $\frac{1}{x}$
  • B
    $\frac{1}{x^2}$
  • $x$
  • D
    $x^2$

Answer

Correct option: C.
$x$
(c)

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

The carrier frequency generated by a tank circuit containing $1 n F$ capacitor and $10 \mu \mathrm{H}$ inductor is
Which of the following is not an application of eddy currents
Two batteries $A$ and $B$ each of e.m.f. $2 V$ are connected in series to an external resistance $R=1 \mathrm{ohm}$. If the internal resistance of battery $A$ is $1.9 \mathrm{ohms}$ and that of $B$ is $0.9 \mathrm{ohm}$, what is the potential difference between the terminals of battery $A$

Image

An ammeter reads upto $1\, ampere$. Its internal resistance is $0.81\, ohm$. To increase the range to $10\, A$ the value of the required shunt is ............ $\Omega $
The equation of a plane progressive wave is given by $y=0.025\  \sin (100 t+0.25 x)$. The frequency of this wave would be
A uniform conducting wire of length $12 \mathrm{a}$ and resistance $'R'$ is wound up as a current carrying coil in the shape of,

$(i)$ an equilateral triangle of side $'a'.$

$(ii)$ a square of side $'a'.$

The magnetic dipole moments of the coil in each case respectively are:

$A$ and $B$ are two wires. The radius of $A$ is twice that of $B$. They are stretched by the some load. Then the stress on $B$ is
An electric lamp is fixed at the ceiling of a circular tunnel as shown is figure. What is the ratio the intensities of light at base $A$ and a point $B$ on the wall
Image
A pan with set of weights is attached with a light spring. When disturbed, the mass-spring system oscillates with a time period of $0.6 s$. When some additional weights are added then time period is $0.7 s$. The extension caused by the additional weights is approximately given by
Two sphere of mass $m$ and $M$ are situated in air and the gravitational force between them is $F$. The space around the masses is now filled with a liquid of specific gravity 3.The gravitational force will now be