Question
Which of the following is an amorphous solid

Answer

(a) Amorphous solids are the solids in which atoms are arranged in a completely irregular manner. They are also known as glassy solids.

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 electron and a photon have same wavelength of $10^{-9} \,m$. If $E$ is the energy of the photon and $p$ is the momentum of the electron, then the magnitude of $E / p$ (in $SI$ unit) is
If radii of curvature of both convex surfaces is $20 \,cm$, then focal length of the lens for an object placed in air in the given arrangement is .......... $CM$
A wire is bent in the shape of a right angled triangle and is placed in front of a concave mirror of focal length $f$, as shown in the figure. Which of the figures shown in the four options qualitatively represent(s) the shape of the image of the bent wire? (These figures are not to scale.)
If the focal length of the objective lens and the eye lens are $4\, mm$ and $25 \,mm  $ respectively in a compound microscope. The length of the tube is $16 \,cm$. Find its magnifying power for relaxed eye position
With reference to figure of a cube of edge $a$ and mass $m$, state whether the following
($O$ is the centre of the cube.) option is correct

$(a)$ The moment of inertia of cube about $z-$ axis is $I_z$ = $I_x + I_y$

$(b)$ The moment of inertia of cube about $A-$ axis is $I_A$=${I_z} + \frac{{m{a^2}}}{2}$

$(c)$ The moment of inertia of cube about $B-$ axis is $I_B$=${I_z} + \frac{{m{a^2}}}{2}$

$(d)$  $I_x$ = $I_z$

A particle of mass $m$ and charge $q$ is kept at the top of a fixed frictionless sphere. $A$ uniform horizontal electric field $E$ is switched on. The particle looses contact with the sphere, when the line joining the center of the sphere and the particle makes an angle $45^o$ with the vertical. The ratio $\frac{qE}{mg}$ is :-
The upper end of a wire of radius $4\, mm$ and length $100\, cm$ is clamped and its other end is twisted through an angle of $30°$. Then angle of shear is ..... $^o$
If $\gamma = 2.5$ and volume is equal to $\frac{1}{8}$ times to the initial volume then pressure $P' $ is equal to (Initial pressure $= P$)
The surface tension of a liquid is $70\,dyne/cm$. In $MKS$ system its value is 
A disc of radius $R$ and thickness $\frac {R}{6}$ has moment of inertia $I$ about an axis passing through its centre and perpendicular to its plane. Disc is melted and recast into a solid sphere. The moment of inertia of a sphere about its diameter is