MCQ
Which is constant for a satellite in orbit
  • A
    Velocity
  • Angular momentum
  • C
    Potential energy
  • D
    Acceleration

Answer

Correct option: B.
Angular momentum
b
(b)Angular momentum is conserved in central field.

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

Two equal rods joined at one end are kept on a smooth surface as shown and released. Trajectory of centre of mass of both rods is 
The variation of density of a cylindrical thick and long rod, is $\rho  = {\rho _0}\frac{{{x^2}}}{{{L^2}}}$ , then position of its centre of mass from $x = 0$ end is
Diatomic gas is used in carnot heat engine. If efficiency of given carnot heat engine is $80\%$ , then find the ratio of initial volume to final volume of gas during adiabatic expansion
Which of the following statements is incorrect?
A shell of mass $m$ moving with velocity $v$ suddenly breaks into $2$ pieces. The part having mass $m/3$ remains stationary. The velocity of other part will be
An automobile, travelling at $40\, km/h$, can be stopped at a distance of $40\, m$ by applying brakes. If the same automobile is travelling at $80\, km/h$, the minimum stopping distance, in metres, is (assume no skidding)..........$m$
A black body at $200 K$ is found to exit maximum energy at a wavelength of $14\mu m$. When its temperature is raised to $1000K$ , the wavelength at which maximum energy is emitted is
A block of mass $4\,kg$ is placed on a rough horizontal plane A time dependent force $F = kt^2$ acts on the block, where $k = 2\,N/s^2$. Coefficient of friction $\mu = 0.8$. Force of friction between block and the plane at $t = 2\,s$ is ....... $N$
From the equation $\tan \theta = \frac{{rg}}{{{v^2}}}$, one can obtain the angle of banking $\theta $ for a cyclist taking a curve (the symbols have their usual meanings). Then say, it is
The pressure of an ideal gas is written as $E = \frac{3PV}{2}$ . Here $E$ stands for