M C Q s D r i v e

Physics 914 MCQs [All-Courses]

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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. 

The anti-matter is composed of: __________________?

A Anti-electrons
B Anti-proton
C Anti-neutron
D All of these
Correct Answer: All of these

Power of a lens is one diopter if its focal length is

A 1 meter
B 2 meter
C ½ meter
D ¼ meter
Correct Answer: 1 meter

Which of the following is a good moderator?

A Helium
B Cadmium
C Graphite
D Ordinary Water
Correct Answer: Graphite

Intensity level of threshold of pain is: _____________?

A 60 db
B 80 db
C 100 db
D 120 db
Correct Answer: 120 db

Value of ‘g’ at the surface of moon is _____________?

A 6ge
B ge/6
C 2ge
D Zero
Correct Answer: ge/6

What is wavelength of visible spectrum?

A 8500 – 9800 angstrom
B 7800 – 8000 angstrom
C 3900 – 7600 angstrom
D 1300 – 3000 angstrom
Correct Answer: 3900 – 7600 angstrom

The co efficient of linear expansion is equal to__________?

A ΔL = αLΔT
B ΔL/LΔT
C LΔT/ΔL
D αLΔT-ΔL
Correct Answer: ΔL/LΔT

When a projectile moves upward , its vertical component of velocity?

A Decrease
B increase
C Remains same
D None of these
Correct Answer: Decrease

Ceramic magnets are_______?

A Semiconductors
B Insulators
C Conductors
D None of these
Correct Answer: Insulators

The reverse of LED is______?

A Diode
B Resistor
C Photodiode
D Capacitor
Correct Answer: Photodiode