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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

Same atomic number but different atomic mass?

2 / 50

The condition of resonance is reached when the ________?

3 / 50

In an adiabatic process, entropy remains ?

4 / 50

Torque and energy have the ?

5 / 50

an operational amplifier, also known as ________?

6 / 50

The SI unit of heat flux is _________?

7 / 50

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

8 / 50

Light is an __________?

9 / 50

The formula for Stokes' law is as follows ?

10 / 50

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

11 / 50

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

12 / 50

A convex lens is used in a ?

13 / 50

A valent species is a chemical species that has a ?

14 / 50

One kilowatt hour of work is equal to ?

15 / 50

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

16 / 50

The efficiency of a diesel engine is typically between __?

17 / 50

The unit of angular acceleration is ?

18 / 50

Which one does not work according to resonance ?

19 / 50

The tyre burst is an example of an?

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

kilowatt-hour (kWh) is equal to ?

24 / 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?

25 / 50

The SI unit of Planck's constant is the?

26 / 50

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

27 / 50

One radian is equal to ?

28 / 50

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

29 / 50

A negatively doped diode is impure with:

30 / 50

The photoelectric effect was explained by ?

31 / 50

The proportionality constant between current and potential difference is ?

32 / 50

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

33 / 50

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

34 / 50

Planck's constant, which is equal to ?

35 / 50

Lenz's law is in accordance with the___?

36 / 50

Ohm's law obeys only for?

37 / 50

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

38 / 50

Alpha particles are __?

39 / 50

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

40 / 50

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

41 / 50

A bulb does not work according to?

42 / 50

magnifying power for astronomical telescope= ?

43 / 50

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

44 / 50

Pressure increases and velocity decreases according to ?

45 / 50

The orbit of a satellite is independent of the _?

46 / 50

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

47 / 50

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

48 / 50

constructive and destructive interference can create bands of ?

49 / 50

The equation of electric flux is?

50 / 50

Total internal reflection is the phenomenon used in ?

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