Practice test

Mechanical properties of matter - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Steel is more elastic than rubber, because it:
    1. Is deformed very easily
    2. Is harder than rubber
    3. Required larger deforming force
    4. Is never deformed
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  2. Question 2

    The Hooke’s law is valid for:
    1. Only proportional region of the stress-strain curve
    2. Entire stress-strain curve
    3. Entire elastic region of the stress-strain curve
    4. Elastic as well as plastic region of the stress-strain curve
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  3. Question 3

    Which of the following is not a characteristic of a solid?
    1. High compressibility
    2. High density
    3. Regular shape
    4. High rigidity
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  4. Question 4

    Density of water is:
    1. Maximum at 0°C
    2. Minimum at 0°C
    3. Maximum at 4°C
    4. Minimum at -4°C
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  5. Question 5

    Density of water …… when it freezes.
    1. Decreases
    2. Increases
    3. Remain constant
    4. No option is correct.
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  6. Question 6

    Pressure is a scalar quantity because:
    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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  7. Question 7

    A deep sea diver may hurt his ear drum during diving because of:
    1. Lack of oxygen
    2. High atmospheric pressure
    3. High water pressure
    4. All of the above
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  8. Question 8

    A hydrogen balloon floats up, because of:
    1. Air pressure decreases with decrease in height
    2. Air pressure decreases 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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  9. Question 9

    A person stands on his two feet over a surface and experiences a pressure P. Now, the person stands on only one foot. He would experience a pressure of magnitude:
    1. 4p
    2. P
    3. 1/2P
    4. 2P
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  10. Question 10

    It is easy to burst a gas filled ballon with a needle, than with a nail. It is because:
    1. Nail is more longer than needle
    2. Nail exerts 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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  11. Question 11

    Which of the following statement(s) about a fluid at rest in a cup is/are correct?
    I. Pressure is same at all the points in the fluid.
    II. Pressure is exerted on the walls.
    III. Pressure exists everywhere in the fluid.
    1. Only I
    2. I and II
    3. II and III
    4. I, II and III
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  12. Question 12

    The pressure of a fluid varies with depth h as p = p0 + pgh,
    where p is the fluid density. This expression is associated with:
    1. Pascal’s law
    2. Newton’s law
    3. Bernoulli’s principle
    4. Archimedes’ principle
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  13. Question 13

    Calculate the pressure (in Pa) if a thrust of 1000 N is applied to an area of 5 m2 :
    .
    1. 200
    2. 50
    3. 100
    4. 25
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  14. Question 14

    Which one of the following device is used to measure atmospheric pressure?
    1. Ammeter
    2. Barometer
    3. Potentiometer
    4. Lactometer
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  15. Question 15

    A liquid is kept in a glass beaker. Which one of the following statements is correct regarding the pressure exerted by the liquid column at the base of the beaker?
    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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  16. Question 16

    According to ………, pressure is equal to the force divided by the area on which it acts.
    1. Pascal’s Law
    2. Hooke’s Law
    3. Stefan-Boltzmann Law
    4. Newton’s Law
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  17. Question 17

    A body weight is heightest in which among the following?
    1. Air
    2. Water
    3. Hydrogen
    4. Nitrogen
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  18. Question 18

    When pressure is applied to a fluid, the pressure change is transmitted to every part of the fluid without any loss. Which of the following laws explains this phenomenon?
    1. Hooke’s Law
    2. Bernoulli’s Law
    3. Avogadro’s Law
    4. Pascal’s Law
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  19. Question 19

    When an object is immersed in water, then an upward force acts on it. What is this force called?
    1. Gravitational force
    2. Buoyant force
    3. Gravitational force
    4. Frictional force
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  20. Question 20

    When a ship enters the sea from a river what will be the effect?
    1. It lowers
    2. It sways
    3. It rises a little
    4. It jolts
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