Physics 914 MCQs [All-Courses]

Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas.

A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called______________?

A center of curvature

B focus

C optical center

D aperture

Review Detailed Answer

Correct Answer: focus

A particle having the mass of an electron and the charge of a proton is called a______________?

A Antiproton

B Positron

C Gamma rays

D Photon

Review Detailed Answer

Correct Answer: Positron

Dioptre power of an concave lens of 10 cm focal length is_______________?

A 10 dioptre

B 10 dioptre

C 1 / 10 dioptre

D 1 / 10 dioptre

Review Detailed Answer

Correct Answer: 10 dioptre

The charge on neutron is_______________?

A Plus 1.6 x 10-19C

B Zero

C Minus 1.6 x 10-19C

D No definite charge

Review Detailed Answer

Correct Answer: Zero

The minimum distance between an object and its real image in a convex lens is_____________?

A 2 f

B 2.5 f

C 3f

D 4f

Review Detailed Answer

Correct Answer: 4f

The charge on an electron was determine by ________________?

A Ampere

B Maxwell

C Millikan

D Thomson

Review Detailed Answer

Correct Answer: Millikan

A convex lens gives a virtual image only when the objects lies_________________?

A between principal focus and center of curvature

B beyond 2 f

C at the principal focus

D between principal focus and optical center

Review Detailed Answer

Correct Answer: between principal focus and optical center

Which one of the following radiations possesses maximum velocity ?

A α-rays

B β-rays

C γ-rays

D All of above have the same speed

Review Detailed Answer

Correct Answer: γ-rays

Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is__________________?

A 0.5

B 0.2

C 1

D 2

Review Detailed Answer

Correct Answer: 2

The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?

A Iron rods

B Graphite rods

C Cadmium rods

D Platinum rods

Review Detailed Answer

Correct Answer: Cadmium rods

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Physics 914 MCQs [All-Courses]

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All Topics 914

A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called______________?

A particle having the mass of an electron and the charge of a proton is called a______________?

Dioptre power of an concave lens of 10 cm focal length is_______________?

The charge on neutron is_______________?

The minimum distance between an object and its real image in a convex lens is_____________?

The charge on an electron was determine by ________________?

A convex lens gives a virtual image only when the objects lies_________________?

Which one of the following radiations possesses maximum velocity ?

Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is__________________?

The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?