set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on force of gravity, solids and fluids topic of general science mcq
(a) Spread a water drop on a cotton cloth
(b) Rising of underground water
(c) Blotting of ink
(d) Rising of water from the roots of a plant to its foliage
The correct answers to the above question in:
Answer: (b)
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Read more physics concept Based General Science Questions and Answers
Question : 1
Consider the following statements:
- The gravitational force exerted by the sun on the moon is greater than the gravitational force exerted by the earth on the moon.
- A heavy body falls at a faster rate than a light body in vacuum.
a) Both 1 and 2
b) 2 only
c) 1 only
d) Neither 1 nor 2
Answer »Answer: (c)
Question : 2
If the radius of the earth were to shrink by one percent, its mass remaining the same, the value of g on the earth’s surface would:
a) decrease by 0.5%
b) increase by 2%
c) increase by 0.5%
d) decrease by 2%
Answer »Answer: (b)
Question : 3
Consider the following statements: A body weighs less at the equator than at the poles because:
- earth rotates about its axis.
- the ice cap at the poles increases gravitational pull.
- equatorial diameter is greater than the polar diameter.
- of some unknown facts.
a) 1 and 3
b) 3 only
c) 1 and 2
d) 4 only
Answer »Answer: (b)
Question : 4
A liquid is flowing in a streamlined manner through a cylindrical pipe. Along a section containing the axis of the pipe, the flow profile will be : (a) (b) (c) (d)
a)
b)
c)
d)
Answer »Answer: (c)
Question : 5
A body weighs 5 kg on equator. At the poles it is likely to weight
a) 0 kg
b) less than 5 kg but not zero
c) 5 kg
d) more than 5 kg
Answer »Answer: (d)
Question : 6
Consider a satellite going round the earth in a circular orbit. Which of the following statements is wrong?
a) It is acted upon by a force directed away from the centre of the earth which counter-balances the gravitational pull.
b) It is moving with constant speed
c) It is a freely falling body.
d) It is an accelerated motion
Answer »Answer: (a)
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