Physics Practice Question and Answer

Q:

What is the kilowatt hour unit?

1543 0

  • 1
    charge power
    Correct
    Wrong
  • 2
    Energy
    Correct
    Wrong
  • 3
    Potential power
    Correct
    Wrong
  • 4
    power
    Correct
    Wrong
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Answer : 2. "Energy"

Q:

Which of the people with myopia has glasses?

1541 0

  • 1
    convex lens
    Correct
    Wrong
  • 2
    concave lens
    Correct
    Wrong
  • 3
    Bifocal lens
    Correct
    Wrong
  • 4
    cylindrical lens
    Correct
    Wrong
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Answer : 2. "concave lens"

Q:

The unit of work is

1535 1

  • 1
    Watts
    Correct
    Wrong
  • 2
    Joule
    Correct
    Wrong
  • 3
    Newton
    Correct
    Wrong
  • 4
    ampere
    Correct
    Wrong
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Answer : 2. "Joule"

Q:

Which of the following elements has lowest melting point? 

1535 1

  • 1
    Titanium
    Correct
    Wrong
  • 2
    Sulphur
    Correct
    Wrong
  • 3
    Argon
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 1. "Titanium"

Q:

Creates a smaller image than the object?

1533 0

  • 1
    convex mirror
    Correct
    Wrong
  • 2
    concave mirror
    Correct
    Wrong
  • 3
    plane mirror
    Correct
    Wrong
  • 4
    Convex mirror and concave mirror
    Correct
    Wrong
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Answer : 4. "Convex mirror and concave mirror"

Q:

Solar cells convert solar energy into what energy?

1527 1

  • 1
    Electrical energy
    Correct
    Wrong
  • 2
    kinetic energy
    Correct
    Wrong
  • 3
    mechanical energy
    Correct
    Wrong
  • 4
    Thermal energy
    Correct
    Wrong
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Answer : 1. "Electrical energy"

Q:

In the human eye?

1521 0

  • 1
    In the human eye?
    Correct
    Wrong
  • 2
    convex mirror
    Correct
    Wrong
  • 3
    convex lens
    Correct
    Wrong
  • 4
    concave mirror
    Correct
    Wrong
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Answer : 3. "convex lens"

Q:

What is the direction of torque?

1520 0

  • 1
    Opposite to the direction of applied force
    Correct
    Wrong
  • 2
    Parallel to the radius
    Correct
    Wrong
  • 3
    Perpendicular to the direction of applied force
    Correct
    Wrong
  • 4
    Same as the direction of applied force
    Correct
    Wrong
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Answer : 3. "Perpendicular to the direction of applied force"

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