(Set 1) Mechanical properties of fluids

1. maximum at 0 degree C
2. minimum at 0 degree C
3. maximum at 4 degree C
4. minimum -4 degree C

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1. decreases
2. increase
3. remain constant
4. No option is correct

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1. it is the ratio of force to area and both force and area are vectors
2. it is the ratio of magnitude of force to area
3. it is the ratio of component of force (normal to area) to area
4. None of the above

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1. lack of oxigen
2. high atmospheric pressure
3. high water pressure
4. All of above

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1. air pressure decrease with decrease in height
2. air pressure decrease with decrease in weight
3. weight of the balloon is less than the weight of air displaced by it
4. the pressure inside the balloon is more than the pressure outside it

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1. 4 p
2. p
3. 1p/2
4. 2 p

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1. nail is more longer than needle
2. nail exert more pressure than needle on the balloon
3. needle exerts more pressure than nail on the balloon
4. gas is reactive with the needle

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1. 200
2. 50
3. 100
4. 25

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1. Ammeter
2. Barometer
3. Potentiometer
4. Lactometer

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1. The pressure depends on the area of the base of the beaker
2. The pressure depends on the height of liquid column
3. The pressure does not depend on the density of the liquid
4. The pressure neither depends on the area of the base of the beaker nor on the height of liquid column

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1. Pascal's Law
2. Hooke's Law
3. Stefan-Boltzmann Law
4. Newton's Law

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1. Air
2. Water
3. Hydrogen
4. Nitrogen

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1. Hooke's Law
2. Bernoulli's Law
3. Avogadro's Law
4. Pascal's Law

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1. Gravitational force
2. Buoyant force
3. Gravitational force
4. Frictional force

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1. It lowers
2. It sways
3. It rises a little
4. It jolts

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1. Decreases
2. Increases
3. Remains same
4. Frist increases and then decreases

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1. mass of the object only
2. mass of the object and density of liquid only
3. difference in the densities of the object and liquid
4. mass and shape of the object onlyc

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1. Increases
2. Decreases
3. Remains exactly the same
4. Increases or decreases cannot be predicted

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1. surface tension
2. elastic force
3. gravitational force
4. viscous force

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1. lack of adhesive force
2. surface tension
3. cannot mix each other
4. water is lighter than oil

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1. inertia
2. pressure
3. surface tension
4. viscosity

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1. surface tension
2. viscosity
3. specific gravity
4. elasticity

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1. viscosity
2. floatation
3. elasticity
4. surface tension

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1. Only Assumption 2 is implicit.
2. Either Assumption 1 or 2 is implicit.
3. Both Assumption 1 and 2 are implicit.
4. Only Assumption 1 is implicit.

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1. Fountain pen
2. Ballpoint pen
3. Gel pen
4. Both ballpoint and gel pens

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1. 1, 2 and 4
2. 1, 3 and 4
3. 2 and 3
4. 1, 2, 3 and 4

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1. Conservation of mass
2. conservation of momentum
3. Conservation of angular momentum
4. Conservation of energy

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1. the velocity of all fluid particles at a given instant is constant
2. the speed of a fluid particle remains constant
3. the velocity of all fluid particles crossing a given position is constant
4. the velocity of a fluid particle remains constant

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1. of the increase in air pressure in the space between them.
2. of decrease in the velocity of air molecules between them.
3. of decrease in air pressure in the space between them.
4. of the increase in the velocity of air molecules between them.

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1. rise to a height less than h
2. rise to height h
3. rise to height greater than h
4. not rise at all

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