NSO Level 1- Science Olympiad (SOF) Class 9: Questions 1032 - 1036 of 1128

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Question 1032

Question

MCQ▾

Which of the following is/are application of Archimedes Principle?

Choices

Choice (4)Response

a.

Design of ship

b.

Hydrometer

c.

Lactometer

d.

All a., b. and c. are correct

Question 1033

Question

MCQ▾

Net force acting on an object in perpendicular direction is called

Choices

Choice (4)Response

a.

Thrust

b.

Gravitational force

c.

Buoyancy

d.

Pressure

Question 1034

Question

MCQ▾

A stone with weight 3kg is immersed in water. If the stone completely sinks in water, the buoyancy will possibly be

Choices

Choice (4)Response

a.

weight of water displaced would be less than its actual weight.

b.

weight of water displaced would be more than its actual weight.

c.

weight of water displaced would be equal to its actual weight.

d.

weight of water displaced would be not be affected by actual weight.

Question 1035

Question

MCQ▾

According to Archimedes՚ principle, the upward force experienced by an object immersed in a fluid is equal to

Choices

Choice (4)Response

a.

The weight of the fluid displaced

b.

The weight of the fluid

c.

The weight of the object

d.

None of the above

Question 1036

Question

MCQ▾

According to Newton՚s Law of Gravitation, every object attract every other object in the universe and the force of attraction is directly proportional to their masses. But the lighter objects on the earth do not move towards heavier objects. The reason would be

Choices

Choice (4)Response

a.

The mass of earth is considerably greater than any object on its surface

b.

The gravitational force between the objects is negligible compared to gravitational pull of earth

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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