MCQ
In our solar system, there is one sun and
  • A
    Seven planets
  • Nine planets
  • C
    Eleven planets
  • D
    Indefinite number of planets

Answer

Correct option: B.
Nine planets
b
(b)

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 empty thick conducting shell of inner radius $a$ and outer radius $b$ is shown in figure.If it is observed that the inner face of the shell carries a uniform charge density $-\sigma$ and the surface carries a uniform charge density $ '\sigma '$

If a point charge $q_A$ is placed at the center of the shell, then choose the correct statement $(s)$

Two identical inductance carry currents that vary with time according to linear laws (as shown in figure). In which of two inductance is the self induction $emf$ greater?
A parallel plate capacitor has plates with area $A$ and separation $d$ . A battery charges the plates to a potential difference $V_0$ . The battery is then disconnected and a dielectric slab of thickness $d$ is introduced. The ratio of energy stored in the capacitor before and after the slab is introduced, is
For sky wave propagation of a $10 \ \ce{MHz}$ signal, what should be the minimum electron density in ionosphere
An electron enters a magnetic field whose direction is perpendicular to the velocity of the electron. Then
An achromatic combination of lenses is formed by joining
A metal plate of area $1\times10^{-4}\, m^2$ is illuminated by a radiation of intensity $16\, m\,W/m^2$. The work function of the metal is $5\,eV$. The energy of the incident photons is $10\, eV$ and only $10\%$ of it produces photo electrons. The number of emitted photo electrons per second and their maximum energy, respectively, will be : $[1\, eV = 1.6\times10^{-19}\, J]$
A proton and a deuteron are initially at rest and are accelerated through the same potential difference. Which of the following is false concerning the final properties of the two particles ?
A bar magnet is released from rest along the axis of a very long vertical copper tube. After some time the magnet will
A series $LCR$ circuit of $R=5\, \Omega, L=20\, {mH}$ and ${C}=0.5 \,\mu \,{F}$ is connected across an ${AC}$ supply of $250\, V$, having variable frequency. The power dissipated at resonance condition is $.....\,\times 10^{2}\, {W}$