Escape velocity on the earth - Vidyadip

MCQ

Escape velocity on the earth

A
Is less than that on the moon
B
Depends upon the mass of the body
C
Depends upon the direction of projection
✓
Depends upon the height from which it is projected

✓

Answer

Correct option: D.

Depends upon the height from which it is projected

(d) $v_e=\sqrt{\frac{2 G M}{(R+h)}}$

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

Explore more

More "MCQ" from Gravitation→Gravitation — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Which of the following quantities is dimensionless

Two racing cars of masses $m_1$ and $m_2$ are moving in circles of radii $r_1$ and $r_2$ respectively. Their speeds are such that each makes a complete circle in the same duration of time $t$. The ratio of the angular speed of the first to the second car is

In a beryllium atom, if $a$ be the radius of the first orbit, then the radius of the second orbit will be in general

In a thermodynamic process, pressure of a fixed mass of a gas is changed in such a manner that the gas molecules gives out $20 \mathrm{~J}$ of heat and $10 \mathrm{~J}$ of work is done on the gas. If the initial internal energy of the gas was $40 \mathrm{~J}$, then the final internal energy will be

The area of the parallelogram whose sides are represented by the vectors $\hat{j}+3 \hat{k}$ and $\hat{i}+2 \hat{j}-\hat{k}$ is

An object accelerates from rest to a velocity $27.5 m / s$ in $10 sec$ then find distance covered by object in next $10 sec$

In doubling the mass and acceleration of the mass, the force acting on the mass with respect to the previous value

A rocket is going away from the earth at a speed $0.2 c$, where $c=$ speed of light. It emits a signal of frequency $4 \times 10^7 Hz$. What will be the frequency observed by an observer on the earth

Two bodies of mass $3 kg$ and $4 kg$ are suspended at the ends of massless string passing over a frictionless pulley. The acceleration of the system is $\left(g=9.8 m / s ^2\right)$

For substances hysteresis $(B-H)$ curves are given as shown in figure. For making temporary magnet which of the following is best.