Q121
Open questionPressure is measured by-
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Physics GK · all questionsMechanical Physics
Mechanical Physics
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Q122
Open questionIt is easier to swim in a sea water than in ordinary water because
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Q123
Open questionThe separation of cream from milk by churning is due to
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Q124
Open questionA liquid disturbed by string comes to rest due to
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Q125
Open questionAt which temperature density of water is maximum?
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Q126
Open questionWhich law/principle states that when a body is immersed fully or partially in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it?
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Q127
Open questionWhich of the following statement(s) about a fluid at rest in a cup is/are correct?
1. Pressure is same at all the points in the fluid.
2. Pressure is exerted on the walls.
3. Pressure exists everywhere in the fluid.
1. Pressure is same at all the points in the fluid.
2. Pressure is exerted on the walls.
3. Pressure exists everywhere in the fluid.
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Q128
Open questionIncreasing the amount of a substance does not change its
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Q129
Open questionKerosene rises in the wick of the stove is due to
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Q130
Open questionAccording to gas kinetic theory, the absolute zero temperature is achieved only when-
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Q131
Open questionConsider the following statement.
If there were no phenomenon of capillarity.
1. It would be difficult to use a kerosene lamp then.
2. One would not be able to use a straw to consume a soft drink.
3. The blotting paper would fail to function.
4. The big trees that we see around would not have grown on the Earth.
Which of the following statements given above are correct?
If there were no phenomenon of capillarity.
1. It would be difficult to use a kerosene lamp then.
2. One would not be able to use a straw to consume a soft drink.
3. The blotting paper would fail to function.
4. The big trees that we see around would not have grown on the Earth.
Which of the following statements given above are correct?
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Q132
Open questionA tank, filled partially with a liquid, is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?
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Q133
Open questionIt is easy to burst a gas-filled balloon with a needle than with a nail. It is because
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Q134
Open questionIf by applying a force, the shape of a body is changed, then the corresponding stress is
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Q135
Open questionWhich of the following factors depends on the result of buoyancy force acting on the object in a given fluid?
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Q136
Open questionThe density of a substance is defined as-
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Q137
Open questionPressure is defined as-
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Q138
Open questionWhich one of the following device is used tomeasure atmospheric pressure?
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Q139
Open questionWhich of the following state of substance has the maximum kinetic energy?
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Q140
Open questionPurity of a metal can be determined with the help of
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