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) $√{2l}/g$
(b) $√{2h}/g$
(c) $1/{sinϴ}√{{2h}/g}$
(d) $sinϴ√{2h}/g$
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
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 : 2
The mass of a body on the Earth is 100 kg (acceleration due to gravity, $g_e = 10 m/s^2$). If acceleration due to gravity on the Moon is ($g_e = 106 m/s^2$), then the mass of the body on the Moon is
a) 60 kg
b) 100/6 kg
c) 100 kg
d) 600 kg
Answer »Answer: (c)
Question : 3
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 : 4
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)
Question : 5
Who gave the theory of gravity?
a) Charles Babbage
b) Charles Newton
c) Isaac Newton
d) John Adams
Answer »Answer: (c)
Question : 6
Astronauts in space cannot stand erect. This is because, in space
a) Viscous forces of the atmosphere are very strong
b) There is no gravity
c) Solar wind exert an upward force
d) Atmospheric pressure is very low
Answer »Answer: (b)
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