set 2 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) the nature of the liquid
(b) the depth of the point below the surface of the liquid
(c) the acceleration due to gravity at that point
(d) the shape of the containing vessel
The correct answers to the above question in:
Answer: (d)
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Read more physical properties of materials Based General Science Questions and Answers
Question : 1
A drop of oil is placed on the surface of water. Which of the following statements is correct?
a) It will spread as a thin layer
b) It will remain on it as a sphere
c) It will partly be a spherical droplet and partly a thin film
d) It will float as a distorted drop on the water surface
Answer »Answer: (a)
The surface tension of oil is less than that of water, so the oil spreads as a thin layer.
Question : 2
In automobile hydraulic brakes work on
a) Newton’s law of motion
b) Bernoulli’s Principle
c) Archimedes Principle
d) Pascal’s Law
Answer »Answer: (d)
Question : 3
A boy carries a fish in one hand and a bucket of water in the other hand. If he places the fish in the bucket, the weight now carried by him.
a) is more than before
b) is less than before
c) is the same as before
d) depends upon his speed
Answer »Answer: (c)
Question : 4
Consider the following statement. If there were no phenomenon of capillarity.
- It would be difficult to use a kerosene lamp then.
- One would not be able to use a straw to consume a soft drink.
- The blotting paper would fail to function.
- The big trees that we see around would not have grown on the Earth.
a) Only 1, 3 and 4
b) Only 2 and 4
c) Only 1, 2 and 3
d) Only 1, 2, 3 and 4
Answer »Answer: (a)
Question : 5
While floating in a sea what part of an iceberg is above the surface of the sea?
a) 1/10
b) 1/6
c) 1/9
d) 1/4
Answer »Answer: (c)
Question : 6
Which of the following materials is most elastic ?
a) Lead
b) Rubber
c) Wood
d) Steel
Answer »Answer: (d)
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