Physics Practice Question and Answer

Q:

Which of the following is a vector quantity?

3364 2

  • 1
    Energy
    Correct
    Wrong
  • 2
    temperature
    Correct
    Wrong
  • 3
    force
    Correct
    Wrong
  • 4
    speed
    Correct
    Wrong
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Answer : 3. "force"

Q:

kilohertz is a unit which measures

3356 0

  • 1
    power used by a current of one ampere
    Correct
    Wrong
  • 2
    electromagnetic radio wave frequencies
    Correct
    Wrong
  • 3
    voltage
    Correct
    Wrong
  • 4
    electric resistance
    Correct
    Wrong
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Answer : 2. "electromagnetic radio wave frequencies"

Q:

One fathom is equal to

3353 0

  • 1
    6 meters
    Correct
    Wrong
  • 2
    6 feet
    Correct
    Wrong
  • 3
    60 feet
    Correct
    Wrong
  • 4
    100 cm
    Correct
    Wrong
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Answer : 2. "6 feet"

Q:

is a scalar?

3327 0

  • 1
    Force moment
    Correct
    Wrong
  • 2
    energy
    Correct
    Wrong
  • 3
    momentum
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
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Answer : 2. "energy"

Q:

An ice block with a piece of lead embedded in it floats in water. If ice melts the water level 

3288 0

  • 1
    Remains same
    Correct
    Wrong
  • 2
    Falls first and then rises
    Correct
    Wrong
  • 3
    Rises
    Correct
    Wrong
  • 4
    Falls
    Correct
    Wrong
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Answer : 4. " Falls "

Q:

What is the unit of power of the lens in SI method?

3229 0

  • 1
    Watts
    Correct
    Wrong
  • 2
    Opter
    Correct
    Wrong
  • 3
    diopters
    Correct
    Wrong
  • 4
    Newton
    Correct
    Wrong
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Answer : 3. "diopters"

Q:

Which one of the following SI unit is not correctly matched? 

3216 0

  • 1
    Mass-Kg
    Correct
    Wrong
  • 2
    Pressure–Dyne
    Correct
    Wrong
  • 3
    Work-Joule
    Correct
    Wrong
  • 4
    Force-Newton
    Correct
    Wrong
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Answer : 2. "Pressure–Dyne"

Q:

Which one of the following is not a vector amount?

3171 2

  • 1
    velocity
    Correct
    Wrong
  • 2
    momentum
    Correct
    Wrong
  • 3
    mass
    Correct
    Wrong
  • 4
    angular velocity
    Correct
    Wrong
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Answer : 3. "mass"

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