Questions

true or false.[1 Mark each]

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14 questions · timed · auto-graded

Question 11 Mark
The pressure in a liquid is the same at all depths.
Answer
False
Correct statement:
The pressure in a liquid increases with depth.
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Question 21 Mark
Pressure is directly proportional to the area of contact.
Answer
False
Correct statement:
Pressure is inversely proportional to the area of contact.
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Question 51 Mark
Pressure can be increased by decreasing the force.
Answer
False
Correct statement:
Pressure can be increased by increasing the force.
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Question 71 Mark
Viscosity depends on the pressure of a liquid.
Answer
Viscosity depends on the pressure of a liquid- True.
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Question 81 Mark
Liquid pressure decreases with the decrease of depth.
Answer
Liquid pressure decreases with the decrease of depth- True.
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Question 91 Mark
Friction is the only reason for the loss of energy.
Answer
Friction is the only reason for the loss of energy- true.
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Question 101 Mark
Rolling friction is slightly greater than sliding friction.
Answer
Rolling friction is slightly greater than the sliding friction- False.
Correct statement: Rolling friction is slightly lesser than sliding friction.
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Question 111 Mark
One atmosphere is equivalent to 1,00,000 newton force acting on one square metre.
Answer
One atmosphere is equivalent to 1,00,000 newton force acting on one square metre- True.
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Question 121 Mark
A body will sink if the weight of the body is greater than the buoyant force.
Answer
A body will sink if the weight of the body is greater than the buoyant force- True.
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Question 131 Mark
A moving body comes to rest due to friction alone.
Answer
A moving body comes to rest due to friction alone- True.
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Question 141 Mark
Force acting on a given area is called pressure.
Answer
Force acting on a given area is called pressure- true.
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true or false.[1 Mark each] - Science STD 8 Questions - Vidyadip