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Physics – Quiz 9

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Posted: 06 Jul, 2025

πŸ”¬ Physics MCQ Quiz – Test 9

πŸ“˜ Build Accuracy, Boost Confidence!

Welcome to the 9th quiz of our Forces Physics series β€” a focused and time-based challenge for students preparing for Pakistan Army, Navy, and Air Force entry tests. This test is tailored to evaluate your knowledge across critical physics topics.

You’ll face 50 multiple choice questions (MCQs) selected from areas like motion, waves, electricity, laws of thermodynamics, optics, and electromagnetism β€” topics commonly seen in military academic exams.

🧠 Why Attempt This Test?
It improves concept clarity, highlights weak spots, and boosts your time management skills. Whether you’re targeting ISSB or initial selection tests, this quiz helps sharpen your preparation.

πŸ“Š Quiz Overview:
βœ… Total Questions: 50
⏱️ Time Limit: 18 minutes (approx. 22 seconds per question)
🎯 Passing Criteria: 50%
πŸ” Purpose: Evaluate key physics concepts and test accuracy under time pressure.

πŸ‘‰ Attempt now and level up your exam readiness!

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Physics Test 9

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1 / 50

The equation of electric flux is?

2 / 50

In the Young double slit experiment, if white light is used then what happens?

3 / 50

It is normal for a person's blood pressure to decrease when they ?

4 / 50

an operational amplifier, also known as ________?

5 / 50

The speed of sound in air at 20 Β°C (68 Β°F) is_______?

6 / 50

Total internal reflection is the phenomenon used in ?

7 / 50

The photoelectric effect was explained by ?

8 / 50

A bulb does not work according to?

9 / 50

The gate that represents the equation X=A+B is the ?

10 / 50

In an adiabatic process, entropy remains ?

11 / 50

The dark and bright pattern formed in the Young's double-slit experiment is known as interference?

12 / 50

kilowatt-hour (kWh) is equal to ?

13 / 50

Wire of Resistance R is cut into two parts then effect on resistivity?

14 / 50

Pressure increases and velocity decreases according to ?

15 / 50

The SI unit of heat flux is _________?

16 / 50

If a person throws a ball upward while standing on a moving train, the ball will ?

17 / 50

The silver band in the resistor color code indicates a tolerance of _?

18 / 50

Lenz's law is in accordance with the___?

19 / 50

When a small amount of resistance is connected in parallel to a galvanometer, the resultant circuit behaves as ?

20 / 50

Planck's constant, which is equal to ?

21 / 50

A valent species is a chemical species that has a ?

22 / 50

One kilowatt hour of work is equal to ?

23 / 50

The tyre burst is an example of an?

24 / 50

Ohm's law obeys only for?

25 / 50

If the temperature of the sink decreases, the efficiency of the Carnot engine?

26 / 50

The SI unit of Planck's constant is the?

27 / 50

The unit of angular acceleration is ?

28 / 50

One radian is equal to ?

29 / 50

Alpha particles are __?

30 / 50

an electric heater with a voltage of 220V and a power of 440W has a resistance of ?

31 / 50

If a circle is divided into 360 parts, then each part is equal to?

32 / 50

Which one does not work according to resonance ?

33 / 50

magnifying power for astronomical telescope= ?

34 / 50

constructive and destructive interference can create bands of ?

35 / 50

The efficiency of a diesel engine is typically between __?

36 / 50

A negatively doped diode is impure with:

37 / 50

The formula for the number of fringes (N) observed in a Michelson interferometer is:

38 / 50

The orbit of a satellite is independent of the _?

39 / 50

When a wave travels from a denser medium to a rarer
medium, the wavelength increases and the speed of the wave
increases. The phase angle of the wave?

40 / 50

The vertical component of projectile motion decreases over time, due to the acceleration due?

41 / 50

What is the resistance of a 60-watt light bulb that operates at 120 volts?

42 / 50

Torque and energy have the ?

43 / 50

Light is an __________?

44 / 50

The formula for Stokes' law is as follows ?

45 / 50

When an electron moves perpendicular to magnetic field
lines, the magnetic force on the electron tends to deflect it in a?

46 / 50

The condition of resonance is reached when the ________?

47 / 50

The proportionality constant between current and potential difference is ?

48 / 50

Same atomic number but different atomic mass?

49 / 50

if the temperature of the sink is decreased, the efficiency of a Carnot engine ?

50 / 50

A convex lens is used in a ?

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