Escape Velocity NEET Questions

Escape Velocity MCQ Questions

7.
The SI unit of escape velocity is:
A.
m/s
B.
m/s²
C.
N
D.
kg·m/s
ANSWER :
A. m/s
8.
The escape velocity from the Earth's surface is v. The escape velocity from the surface of another planet having a radius four times that of Earth and the same mass density is:

NEET - 2015

A.
3v
B.
4v
C.
v
D.
2v
ANSWER :
B. 4v
9.
The dimensional formula of escape velocity is:
A.
[L T⁻¹]
B.
[L T⁻²]
C.
[M L T⁻¹]
D.
[L² T⁻¹]
ANSWER :
A. [L T⁻¹]
10.
Escape velocity depends on which of the following?
A.
Mass of the projectile
B.
Direction of projection
C.
Mass and radius of the planet (and G)
D.
Air resistance only
ANSWER :
C. Mass and radius of the planet (and G)
11.
Escape velocity does NOT depend on:
A.
Mass of the planet
B.
Radius of the planet
C.
Mass of the projectile
D.
Gravitational constant G
ANSWER :
C. Mass of the projectile
12.
The escape velocity from a planet does NOT depend on the:
A.
Direction of projection (provided the projection is outward)
B.
Latitude of the launch site (idealised planet)
C.
Mass of the projectile
D.
All of the above
ANSWER :
D. All of the above