Physics Questions Practice Question and Answer

Q:

Is light year unit?

1209 0

  • 1
    Time
    Correct
    Wrong
  • 2
    mass
    Correct
    Wrong
  • 3
    Distance
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Distance"

Q:

The velocity of sound in the air (vacuum) is:

1200 0

  • 1
    110 m / sec
    Correct
    Wrong
  • 2
    232 m / sec
    Correct
    Wrong
  • 3
    331 m / sec
    Correct
    Wrong
  • 4
    220 m / sec
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "331 m / sec "

Q:

Identify the correct statement.

1198 1

  • 1
    The resistance of a wire depends on the length and density of the wire.
    Correct
    Wrong
  • 2
    Specific resistance is the same for all conductors.
    Correct
    Wrong
  • 3
    Resistance of a wire depends on the length and cross-section of the wire.
    Correct
    Wrong
  • 4
    Specific resistance is dependent on the cross-sectional area of the wire.
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Resistance of a wire depends on the length and cross-section of the wire."
Explanation :

1. Resistance of a wire depends on the length and cross-section of the wire.

Q:

Unit of impedance is ___________.

1191 1

  • 1
    ohm
    Correct
    Wrong
  • 2
    henry
    Correct
    Wrong
  • 3
    tesla
    Correct
    Wrong
  • 4
    hertz
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "ohm"

Q:

What is the farthest point of the normal human eye?

1188 0

  • 1
    is at 25 cm
    Correct
    Wrong
  • 2
    is at infinity
    Correct
    Wrong
  • 3
    is at 25 mm
    Correct
    Wrong
  • 4
    is at 25 m
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "is at infinity"

Q:

In 1962, who published 'The History of Ocean Basins', which outlined the theory of how tectonic plates could move, later called 'sea floor spreading'?

1184 0

  • 1
    George Edward Backus
    Correct
    Wrong
  • 2
    Alfred Wegener
    Correct
    Wrong
  • 3
    Louis Bauer
    Correct
    Wrong
  • 4
    Harry Hammond Hess
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Harry Hammond Hess"
Explanation :

1. In 1962, Harry Hammond Hayes published 'The History of Ocean Basins'.

2. In this, the theory of plate tectonics was outlined and which was later also known as 'ocean bottom spreading'.

Q:

Choose the correct statement

1184 0

  • 1
    A body can be accelerated by frictional force
    Correct
    Wrong
  • 2
    There can be zero friction
    Correct
    Wrong
  • 3
    Kinetic friction is greater than rolling friction
    Correct
    Wrong
  • 4
    Frictional force and area of contact between the two surfaces are proportional
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Kinetic friction is greater than rolling friction "

Q:

Parsec is a unit?

1182 0

  • 1
    mass
    Correct
    Wrong
  • 2
    magnetic force
    Correct
    Wrong
  • 3
    Time
    Correct
    Wrong
  • 4
    Distance
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Distance"

      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