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Physics MCQs

Strengthen your grasp of core and applied physics concepts with our expertly compiled Physics MCQs. These multiple-choice questions cover kinematics, laws of motion, work & energy, gravitation, optics, waves, sound, electromagnetism, nuclear physics, thermodynamics, modern physics, and SI units. Ideal for science students, educators, and candidates preparing for job tests and entrance exams by PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and other testing agencies. These MCQs are especially useful for lecturer posts, science teacher positions, and general science portions in competitive exams.

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1 Physics MCQs

A transistor is a device that converts a weak signal into ?

  • Small signal
  • Strong signal
  • Both
  • None
0 Comments
Correct Answer: B. Strong signal

Explanation:

A transistor is a fundamental electronic device used to amplify or switch electrical ... Read More Details

2 Physics MCQs

Dioptre is a unit of measurement for ?

  • Current
  • Lens
  • Force
  • Focal Length
0 Comments
Correct Answer: B. Lens

Explanation:

A dioptre is the unit used to measure the optical power of a ... Read More Details

3 Physics MCQs

Which of the following is a force?

  • Heat
  • Light
  • Magnetism
  • Kinetic
0 Comments
Correct Answer: C. Magnetism

Explanation:

In physics, a force is defined as an interaction that changes the motion ... Read More Details

4 Physics MCQs

Which type of lens is prescribed by doctors for a patient suffering from astigmatism?

  • Cylindrical Lens
  • Concave Lens
  • Spherical Lens
  • Convex Lens
0 Comments
Correct Answer: A. Cylindrical Lens

Explanation:

Astigmatism is a common vision defect caused by an irregular curvature of the ... Read More Details

5 Physics MCQs

A convex mirror always ?

  • Forms a real image
  • Forms a virtual image
  • Forms an inverted image
  • Produces a larger image
0 Comments
Correct Answer: B. Forms a virtual image

Explanation:

A convex mirror is a mirror that is curved outward, meaning the reflective ... Read More Details

6 Physics MCQs

The distance between the optical centre of a convex lens and its principal focus is called its ?

  • Focal Length
  • Radius of Curvature
  • Power
  • Magnification
0 Comments
Correct Answer: A. Focal Length

Explanation:

A convex lens is a lens that is thicker at the center than ... Read More Details

7 Physics MCQs

What type of mirror is commonly used in anti-shoplifting devices?

  • Convex mirror
  • Concave mirror
  • Plane mirror
  • Both B and C
0 Comments
Correct Answer: A. Convex mirror

Explanation:

In retail stores and shopping areas, anti-shoplifting devices often rely on mirrors to ... Read More Details

8 Physics MCQs

What is a photometer used for?

  • Testing picture quality
  • Measuring light intensity
  • Measuring size of a picture
  • Checking colors in pictures
0 Comments
Correct Answer: B. Measuring light intensity

Explanation:

A photometer is a scientific instrument used for measuring the intensity of light. ... Read More Details

9 Physics MCQs

The Hydrogen Bomb works on the principle of which process?

  • Nuclear fusion
  • Artificial radioactivity
  • Natural radioactivity
  • Nuclear fission
0 Comments
Correct Answer: A. Nuclear fusion

Explanation:

A Hydrogen Bomb, also called a thermonuclear bomb, operates on the principle of ... Read More Details

10 Physics MCQs

Who first introduced the M.K.S. system of units?

  • Giorgi
  • Archimedes
  • Einstein
  • Newton
0 Comments
Correct Answer: A. Giorgi

Explanation:

The M.K.S. system of units stands for Meter–Kilogram–Second, representing the fundamental physical quantities ... Read More Details

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