Relative Velocity NEET Questions

Physics - Kinematics

Relative Velocity MCQ Questions


1.
The velocity of object A relative to object B (v_AB) is defined as:
A.
v_A + v_B
B.
v_A - v_B
C.
v_B - v_A
D.
(v_A + v_B)/2
😑 View Answer Rough Work Error
ANSWER :
B. v_A - v_B
2.
v_AB and v_BA are related as:
A.
v_AB = v_BA
B.
v_AB = 2 v_BA
C.
v_AB = -v_BA
D.
v_AB = v_BA / 2
😑 View Answer Rough Work Error
ANSWER :
C. v_AB = -v_BA
3.
A man can swim with a speed of 4 km/h in still water. He wants to cross a river of width 1 km flowing at 3 km/h. If he crosses the river in the shortest possible time, how far downstream will he land?

NEET - 2020

A.
0.75 km
B.
0.6 km
C.
0.5 km
D.
0.25 km
😑 View Answer Rough Work Error
ANSWER :
B. 0.6 km
4.
Two trains A and B move in the SAME direction with speeds 60 km/h and 40 km/h respectively. Speed of A relative to B is:
A.
100 km/h
B.
20 km/h
C.
40 km/h
D.
60 km/h
😑 View Answer Rough Work Error
ANSWER :
B. 20 km/h
5.
An airplane is moving with a velocity of 500 km/h due north with respect to the air. If a wind starts blowing with a velocity of 120 km/h towards the east, the resultant velocity of the airplane will be:

NEET - 2019

A.
500 km/h
B.
520 km/h
C.
√(500² + 120²) km/h
D.
500 km/h east of north
😑 View Answer Rough Work Error
ANSWER :
C. √(500² + 120²) km/h
6.
Two cars approach each other. Car A moves at 30 m/s eastward and car B moves at 20 m/s westward. Speed of A relative to B is:
A.
10 m/s
B.
50 m/s
C.
30 m/s
D.
20 m/s
😑 View Answer Rough Work Error
ANSWER :
B. 50 m/s