Physics Questions Practice Question and Answer

Q:

When water is heated from 0°C to 4°C, its volume:

1567 0

  • 1
    first increases then decreases
    Correct
    Wrong
  • 2
    remains the same
    Correct
    Wrong
  • 3
    increases
    Correct
    Wrong
  • 4
    decreases
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "decreases"

Q:

Which of the following is not a unit of time?

1566 0

  • 1
    light year
    Correct
    Wrong
  • 2
    leap year
    Correct
    Wrong
  • 3
    Moon month
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "light year"

Q:

If the diameter of the capillary is doubled, then the height of the water surface in it rises-

1563 0

  • 1
    Doubles
    Correct
    Wrong
  • 2
    It remains half
    Correct
    Wrong
  • 3
    Not changed
    Correct
    Wrong
  • 4
    Becomes zero
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "It remains half"

Q:

What is the capacity of a convex lens?

1558 0

  • 1
    negative
    Correct
    Wrong
  • 2
    positive
    Correct
    Wrong
  • 3
    zero
    Correct
    Wrong
  • 4
    Others
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "positive"

Q:

The best conductor of heat is?

1557 0

  • 1
    Silver
    Correct
    Wrong
  • 2
    gold
    Correct
    Wrong
  • 3
    copper
    Correct
    Wrong
  • 4
    Aluminum
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Silver"

Q:

What happens to the speed of a cycle when it travels on a rough surface?

1552 0

  • 1
    Increases
    Correct
    Wrong
  • 2
    Decreases
    Correct
    Wrong
  • 3
    Remains the same
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Decreases"

Q:

Principle of fuse is – 

1551 0

  • 1
    Heating effect of electricity
    Correct
    Wrong
  • 2
    Magnetic effect of electricity
    Correct
    Wrong
  • 3
    Chemical effect of electricity
    Correct
    Wrong
  • 4
    Mechanical effect of electricity
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Heating effect of electricity "

Q:

The electric bulb has a filament?

1542 0

  • 1
    Copper
    Correct
    Wrong
  • 2
    Platinum
    Correct
    Wrong
  • 3
    Tungsten
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Tungsten"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully