MCQ
Meteors are
  • A
    Small stars
  • Burnt pieces of comets that fall on earth
  • C
    Comets without tails
  • D
    None of these

Answer

Correct option: B.
Burnt pieces of comets that fall on earth
b
(b)Meteors are burnt piece of comet. When they reach earth's atmosphere, they start burning due to friction.

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 parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is
Faraday’s $2^{nd}$ law states that mass deposited on the electrode is directly proportional to
Assertion : The electric bulbs glows immediately when switch is on.

Reason : The drift velocity of electrons in a metallic wire is very high.

A flat coil of $500$ turns, each of area $50 \,cm ^2$, rotates in a uniform magnetic field of $0.14 \,Wb / m ^2$ about an axis normal to the field at an angular speed of $150 \,rad / s$. The coil has a resistance of $5 \,\Omega$. The induced $e.m.f.$ is applied to an external resistance of $10 \,\Omega$. The peak current through the resistance is .......... $A$
A long cylindrical volume contains a uniformly distributed charge of density $\rho$. The radius of cylindrical volume is $R$. A charge particle $(q)$ revolves around the cylinder in a circular path. The kinetic of the particle is
Let $\overrightarrow{\text{A}}$ be a unit vector along the axis of rotation of a purely rotating body and $\overrightarrow{\text{B}}$ be a unit vector along the velocity of a particle P of the body away from the axis. The value of $\overrightarrow{\text{A}}.\overrightarrow{\text{B}}$ is:
The electric field due to a charge at a distance of $3\, m$ from it is $500\, N/coulomb$. The magnitude of the charge is.......$\mu C$ $\left[ {\frac{1}{{4\pi {\varepsilon _0}}} = 9 \times {{10}^9}\,\frac{{N - {m^2}}}{{coulom{b^2}}}} \right]$
Which of the following are suitable for the fusion process
Two coils of self inductance $L_1$ and $L_2$ are placed closer to each other so that total flux in one coil is completely linked with other. If M is mutual inductance between them, then
A series combination of two resistors $1\,\Omega $ each is connected to a $12\,V$ battery of internal resistance $0.4\,\Omega $. The current flowing through it will be ............... $A$