set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on physical properties of materials topic of general science mcq
(a) Decreased in size
(b) Maintain its size
(c) Increased in size
(d) Flatten into a disc like shape
The correct answers to the above question in:
Answer: (c)
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Read more physical properties of materials Based General Science Questions and Answers
Question : 1
Which of the following elements was first produced artificially?
a) Plutonium
b) Francium
c) Neptunium
d) Technetium
Answer »Answer: (d)
Question : 2
The rain drops are spherical because
a) The air has resistance
b) The water has surface tension
c) They fall from big height
d) None of the above
Answer »Answer: (b)
Question : 3
Two pieces of metal when immersed in a liquid have equal upthrust on them; then
a) both pieces must have equal densities
b) both pieces must have equal weights
c) both pieces must have equal volumes
d) both are floating to the same depth
Answer »Answer: (c)
Question : 4
An egg when placed in ordinary water sinks but floats when placed in brine. This is because
a) density of brine is equal to that of ordinary water
b) density of brine is less than that of ordinary water
c) density of brine is greater than that of ordinary water
d) None of these
Answer »Answer: (c)
Brine due to its high density exerts an upthrust which can balance the weight of the egg.
Question : 5
Paint-gun is based on
a) Archemedes’ principle
b) Bernoulli’s theorem
c) Boyle’s law
d) Newton’s laws of motion
Answer »Answer: (b)
Question : 6
When a ship enters a sea from a river, what happens?
a) It remains at the same level
b) It sinks a little
c) It rises a little
d) It immersed in the bottom of the sea
Answer »Answer: (c)
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