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    Physics
    Grade-9
    Easy

    Question

    In which of the following states the potential energy is the highest?

    1. Solid
    2. Liquid
    3. Gas
    4. Bose-Einstein Condensate

    Hint:

    Potential energy is highest in solids due to more force of attraction

    The correct answer is: Solid

      The molecules of solid do not move randomly as in liquids and gases due to more attraction and less space and hence they posses more potential energy

      Related Questions to study

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      How do we know that a substance has changed state from solid to liquid at a molecular level?

      1. The particles keep vibrating at their places as before.
      2. The particles spill out of the container.
      3. The particles stop moving.
      4. The particles move at a greater speed and increased randomness in motion.

      How do we know that a substance has changed state from solid to liquid at a molecular level?

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      Match the following:
       State    Attributes
       a. Solid  i. Highest kinetic energy of the molecules
       b. Liquid  ii. Highest potential energy of the molecules
       c. Gas  iii. Moderate K E and P E

      1. a-ii, b-iii, c-i
      2. a-i, b-iii, c-ii
      3. a-iii, b-ii, c-i
      4. a-i, b-ii, c-iii

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       State    Attributes
       a. Solid  i. Highest kinetic energy of the molecules
       b. Liquid  ii. Highest potential energy of the molecules
       c. Gas  iii. Moderate K E and P E

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      In which of the following physical states the intermolecular space is the highest?

      1. Solid
      2. Liquid
      3. Gas
      4. All of the above

      In which of the following physical states the intermolecular space is the highest?

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      What kind of energy is associated with the motion and speed of the particles constituting a substance?

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      2. Kinetic energy
      3. Gravitational potential energy
      4. Elastic energy

      What kind of energy is associated with the motion and speed of the particles constituting a substance?

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      Internal energy = _____ + _______.

      1. Gravitational energy, potential energy
      2. Kinetic energy, potential energy
      3. Kinetic energy, thermal energy
      4. Thermal energy, gravitational energy

      Internal energy = _____ + _______.

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      2. Kinetic energy, potential energy
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      The particles of a substance possess _____.

      1. Speed
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      The molecules of which form of water have the highest kinetic energy?

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      1 kcal = ____ cal.

      1. 100000
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      1 Joule = ________________ Erg.

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      The S I unit of heat is _____________.

      1. Calorie
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      Malvika keeps melted ice-cream in the freezer for it to freeze back. Which of the following happens to the ice-cream?

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      3. The amount of heat inside the container decreases.
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