set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on motion under gravity topic of general science mcq
(a) 60 kg
(b) 100/6 kg
(c) 100 kg
(d) 600 kg
The correct answers to the above question in:
Answer: (c)
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Read more physics gk quiz Based General Science Questions and Answers
Question : 1
A Geosynchronous satellite continuously active in its orbit due to centrifugal force which is obtained by
a) The gravitational force on the satellite by the Earth
b) The rocket engine that propelled the satellite
c) The gravitational force on the satellite by the Sun
d) The gravitational force on the Earth by satellite
Answer »Answer: (a)
Question : 2
Who among the following anticipated Newton by declaring that all things gravitate to the Earth?
a) Varahamihira
b) Aryabhatta
c) Buddhagupta
d) Brahmagupta
Answer »Answer: (d)
Question : 3
Consider the following statements. A Simple Pendulum is set into oscillation. Then,
- the acceleration is zero when the bob passes through the mean position.
- in each cycle the bob attains a given velocity twice.
- both acceleration and velocity of the bob are zero when it reaches its extreme position during the oscillation.
- the amplitude of oscillation of the simple pendulum decreases with time.
a) 3 and 4
b) 1 and 2
c) 1, 2 and 4
d) 2, 3 and 4
Answer »Answer: (c)
Question : 4
The time period of a pendulum
a) Depends on its length
b) Depends on the mass
c) Depends on time
d) Depends on temperature
Answer »Answer: (a)
Question : 5
A smooth plane inclined at an angle q with the horizontal as shown in the given figure. A body starts from rest and slides down on the inclined surface. The time taken by the body to reach the bottom is
a) $√{2l}/g$
b) $√{2h}/g$
c) $1/{sinϴ}√{{2h}/g}$
d) $sinϴ√{2h}/g$
Answer »Answer: (c)
Question : 6
There is no atmosphere on the Moon because
a) It receives light from the Sun
b) It is near to the Earth
c) It revolves around the Earth
d) The escape velocity of gas molecules on it is less than the root mean square velocity here
Answer »Answer: (d)
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