Physics Questions Practice Question and Answer

Q:

Image formed on retina in human eye?

1242 0

  • 1
    is inverted only appears upside down
    Correct
    Wrong
  • 2
    is upright but gives inverted image.
    Correct
    Wrong
  • 3
    Inverted but directly visible
    Correct
    Wrong
  • 4
    is straight
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "is upright but gives inverted image."

Q:

A flying aeroplane has _____. 

2617 1

  • 1
    only potential energy
    Correct
    Wrong
  • 2
    only kinetic energy
    Correct
    Wrong
  • 3
    neither potential nor kinetic
    Correct
    Wrong
  • 4
    both potential and kinetic energy
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "both potential and kinetic energy "

Q: Megahertz is a measurement of 1299 0

  • 1
    Frequency
    Correct
    Wrong
  • 2
    Speed
    Correct
    Wrong
  • 3
    Wavelength
    Correct
    Wrong
  • 4
    Capacity
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Frequency"
Explanation :

Answer: A) Frequency Explanation: Megahertz is used to measure wave frequencies, as well as the speed of microprocessors. One MHz represents one million cycles per second. The speed of microprocessors, called the clock speed.

Q:

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

907 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:

The time period of a pendulum – 

1589 0

  • 1
    Depends on the mass
    Correct
    Wrong
  • 2
    Depends on its length
    Correct
    Wrong
  • 3
    Depends on time
    Correct
    Wrong
  • 4
    Depends on temperature
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. " Depends on its length "

Q:

Which of the following is a unit of heat?

909 0

  • 1
    Celsius
    Correct
    Wrong
  • 2
    Calvin
    Correct
    Wrong
  • 3
    Fahrenheit
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All these"

Q:

Who invented electromagnetic theory? 

1200 0

  • 1
    Thomas Alva addition
    Correct
    Wrong
  • 2
    J. J. Thomson
    Correct
    Wrong
  • 3
    Michael Faraday
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Michael Faraday "

Q:

Is the image formed by a plane mirror always?

771 0

  • 1
    virtual and vice versa
    Correct
    Wrong
  • 2
    Real and direct
    Correct
    Wrong
  • 3
    direct and virtual
    Correct
    Wrong
  • 4
    Actual
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "direct and virtual"

      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