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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

A valent species is a chemical species that has a ?

2 / 50

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

3 / 50

Which one does not work according to resonance ?

4 / 50

Pressure increases and velocity decreases according to ?

5 / 50

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

6 / 50

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

7 / 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?

8 / 50

The efficiency of a diesel engine is typically between __?

9 / 50

The SI unit of Planck's constant is the?

10 / 50

Ohm's law obeys only for?

11 / 50

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

12 / 50

The photoelectric effect was explained by ?

13 / 50

kilowatt-hour (kWh) is equal to ?

14 / 50

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

15 / 50

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

16 / 50

One kilowatt hour of work is equal to ?

17 / 50

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

18 / 50

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

19 / 50

The equation of electric flux is?

20 / 50

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

21 / 50

The SI unit of heat flux is _________?

22 / 50

Torque and energy have the ?

23 / 50

The proportionality constant between current and potential difference is ?

24 / 50

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

25 / 50

Total internal reflection is the phenomenon used in ?

26 / 50

The tyre burst is an example of an?

27 / 50

In an adiabatic process, entropy remains ?

28 / 50

Planck's constant, which is equal to ?

29 / 50

The orbit of a satellite is independent of the _?

30 / 50

Alpha particles are __?

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

The condition of resonance is reached when the ________?

35 / 50

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

36 / 50

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

37 / 50

an operational amplifier, also known as ________?

38 / 50

The formula for Stokes' law is as follows ?

39 / 50

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

40 / 50

One radian is equal to ?

41 / 50

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

42 / 50

constructive and destructive interference can create bands of ?

43 / 50

A bulb does not work according to?

44 / 50

Light is an __________?

45 / 50

A negatively doped diode is impure with:

46 / 50

The unit of angular acceleration is ?

47 / 50

magnifying power for astronomical telescope= ?

48 / 50

Same atomic number but different atomic mass?

49 / 50

A convex lens is used in a ?

50 / 50

Lenz's law is in accordance with the___?

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