set 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on measurement and SI units topic of general science mcq
List I (Physical quantity) | List II (Dimension) |
A. Density | 1. [MLT–2] |
B. Force | 2. [ML–3] |
C. Energy | 3. [MLT–1] |
D. Momentum | 4. [ML2T–2] |
(a) 2 1 4 3
(b) 3 2 4 1
(c) 1 2 3 4
(d) 3 2 1 4
The correct answers to the above question in:
Answer: (a)
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Read more measurement and si units Based General Science Questions and Answers
Question : 1
Which one of the following remains constant while throwing a ball upward ?
a) Acceleration
b) Displacement
c) Kinetic energy
d) Velocity
Answer »Answer: (a)
Question : 2
A particle starts from rest, accelerates uniformly for 3 seconds and then decelerates uniformly for 3 seconds and comes to rest. Which one of the following displacement (x)-time (t) graphs represents the motion of the particle? 0 3 6
a)
b)
c)
d)
Answer »Answer: (a)
Question : 4
The displacement of a particle at time t is given by $X↖{→}=ai↖{˄}+btj↖{˄}+c/2{t^2}k↖{˄}$ where a, b and c are positive constants. Then the particle is
a) decelerated along $j↖{˄}$ direction
b) accelerated along $18/5$ direction
c) decelerated along $18/5$ direction
d) accelerated along $j↖{˄}$ direction
Answer »Answer: (b)
Question : 5
S.I. unit of surface tension is
a) N/m2
b) degree/cm
c) N/m
d) N m
Answer »Answer: (c)
Question : 6
How can the height of a person who is six feet tall, be expressed (approximately) in nanometre?
a) 183 × $10^7$ nm
b) 183 × $10^6$ nm
c) 234 × $10^6$ nm
d) 181 × $10^7$ nm
Answer »Answer: (a)
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