Physics Testt by Pro Genius sudents

    Physics – Quiz 8

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    Posted:06 Jul, 2025

    πŸ”¬ Physics MCQ Quiz – Test 8

    πŸ“˜ Prepare Smart, Succeed Faster!

    Welcome to the 8th quiz in our Forces Physics MCQ series β€” a well-crafted test for students preparing for the Pakistan Army, Navy, and Air Force entry exams. This quiz is built to test your conceptual understanding, speed, and accuracy under real-time pressure.

    It features 50 multiple choice questions (MCQs) from a mix of physics topics including motion, energy, thermodynamics, magnetism, and modern physics β€” all commonly asked in initial academic tests.

    🧠 Why Should You Take This Quiz?

    This quiz helps you identify weak areas, improve concept clarity, and build exam stamina. It’s especially beneficial for those targeting ISSB, soldier/commission entry tests, and other Forces-related academic exams.

    πŸ“Š Quiz Overview:

    βœ… Total Questions: 50
    ⏱️ Time Limit: 18 minutes (approx. 22 seconds per question)
    🎯 Passing Criteria: 50%
    πŸ” Purpose: Test accuracy, speed, and understanding of key topics

    πŸ‘‰ Start now to challenge yourself and improve your chances of selection!

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    Physics Test 8

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    tail spin

    1 / 50

    if the speed of sound is 332 m/sec at 0 C then the speed of sound at 2 C is??

    2 / 50

    Equation of continuity ?

    3 / 50

    When light travel from air to water what will change?

    4 / 50

    A device that converts electrical energy into mechanical energy ?

    5 / 50

    The open-loop gain of an operational amplifier is typically of the order of ?

    6 / 50

    The S.I unit of impedance is called ____?

    7 / 50

    Index of refraction?

    8 / 50

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

    9 / 50

    Alpha rays are a type of ionizing radiation that consists of ?

    10 / 50

    The formation of a large molecule by joining small molecules is called?

    11 / 50

    Good quality magnets are made with?

    12 / 50

    N-type semiconductors are obtained by __________?

    13 / 50

    The device used for conversion of AC into DC is a ______?

    14 / 50

    The waveform of a sinusoidal voltage, its frequency, and its phase can be found using a _________?

    15 / 50

    Power is measured in?

    16 / 50

    The work done by a conservative force in a closed path is ?

    17 / 50

    The photoelectric effect was explained by__________?

    18 / 50

    Silicon is obtained from?

    19 / 50

    The distance between two consecutive waves is?

    20 / 50

    Thermodynamics law is the expression of law of ?

    21 / 50

    In SHM which one is not changed?

    22 / 50

    The maximum displacement of a wave or oscillating object is called the?

    23 / 50

    The dimension of stress friction is ?

    24 / 50

    The SI unit of stress is the same as that of?

    25 / 50

    The Compton shift will be equal to the Compton wavelength if the scattering angle is ?

    26 / 50

    For a step up transformer if the voltage in the secondary coil is greater than the primary coil then?

    27 / 50

    A transformer work s on the principle of ?

    28 / 50

    Inductive reactance is represented by ?

    29 / 50

    Capacitor first charge capacity?

    30 / 50

    Lenz law is according to the law of ?

    31 / 50

    In semiconductors, the charge carriers are both____?

    32 / 50

    Boolean expression X = A + B represents the logic operation of an ____?

    33 / 50

    Bending of light waves from a narrow opening?

    34 / 50

    The escape velocity of Earth is?

    35 / 50

    Change in shape stress is called ?

    36 / 50

    The magnetic flux will be maximum if the angle between the magnetic field strength and vector area is ?

    37 / 50

    ________is always connected in series with the circuit in which the current is to be measured?

    38 / 50

    Device that converts electrical to mechanical energy (repeated)?

    39 / 50

    Entropy remains constant in an?

    40 / 50

    when a lens is placed closed to the eye it can be used as?

    41 / 50

    Which set have the same units … ?

    42 / 50

    Drag force is given by?

    43 / 50

    For a step down transformer?

    44 / 50

    The correct record for the diameter of a wire when measured with a screw gauge of least count 0.001 cm is ?

    45 / 50

    Not gate has only?

    46 / 50

    Both stress and pressure are measured in__________.?

    47 / 50

    The formula for the range of a projectile is:

    48 / 50

    When an electron moves perpendicular to a magnetic field, the magnetic force will move it in a?

    49 / 50

    The force of distance between masses of charges will become 1/4 times if the distance is?

    50 / 50

    What happens to the frequency of sound when the source is moving away from a stationary listener?

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