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    Physics – Quiz 3

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    Posted:03 Jul, 2025

    🔬 Physics MCQ Quiz – Test 3

    Welcome to Physics Quiz 3, designed for students preparing for Pakistan Armed Forces and other competitive entry tests. This quiz contains 50 Multiple Choice Questions (MCQs) covering important topics like force, motion, energy, waves, thermodynamics, and electromagnetism. It includes both theory-based and past paper questions to reflect real exam patterns.

    🎯 Why Take This Quiz?

    This quiz is perfect for revising essential physics concepts and practicing frequently asked questions. It helps improve your speed and accuracy under time pressure, making it ideal for self-assessment and entry test preparation.

    📊 Quiz Info:

    Passing Marks: 50% – Complete the test within the given time limit to simulate actual exam conditions.

    👉 Click Start and put your knowledge to the test!

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    Physics Test 3

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    1 / 50

    Acceleration is a…………..quantity?

    2 / 50

    Which radiations possesses high ionizing power?

    3 / 50

    Rate of change of displacement is called?

    4 / 50

    When two forces of 20N and 30N act simultaneously on a body, what
    is the maximum possible magnitude of their resultant force?

    5 / 50

    The rotational effect of a force on a body an axis of rotation is described in terms of……………?

    6 / 50

    Newton is a……………………………Unit.?

    7 / 50

    The luster of a metal is due to………?

    8 / 50

    If two wires made of the same material have lengths in the ratio 2:3
    and the cross-sectional areas in the ratio 3:4, what is the ratio of their
    resistances?

    9 / 50

    Isotope atoms have different?

    10 / 50

    What is the acceleration experienced by a fog droplet as it falls downward?

    11 / 50

    Study of Neutrons, atoms electron is in which branch of physics?

    12 / 50

    What is a split ring in a motor called?

    13 / 50

    Long sightedness is corrected by?

    14 / 50

    Earth revolves around the sun according to which law?

    15 / 50

    In a p-type semiconductor, which type of charge carriers are in the  majority?

    16 / 50

    Energy possessed by a body in motion is called……….?

    17 / 50

    What type of path does a ball dropped by a man in a train, which is
    moving with a constant velocity, follow when observed by someone
    standing on the platform?

    18 / 50

    Light year is a unit of…………..?

    19 / 50

    What is the function of a photodiode?

    20 / 50

    What is the term used to describe the process of converting  alternating current (AC) into direct current (DC)?

    21 / 50

    The dimension of strain are ?

    22 / 50

    The number of base units are…………?

    23 / 50

    Unit of Energy is.?

    24 / 50

    What is the term used to describe the volume of fluid that passes through any cross-sectional area per unit of time?

    25 / 50

    If an object is lying on a horizontal frictionless surface, and the angle is

    26 / 50

    Maximum range of the projectile at the angle of?

    27 / 50

    A pipe has a cross-sectional area of 20 cm², and water is flowing out
    of the pipe with a velocity of 5 m/s. What is the mass of water that exits
    the pipe in 1 second?

    28 / 50

    What component or circuit does voltage lead to the current in?

    29 / 50

    The reciprocal of the bulk modulus is called ?

    30 / 50

    The most fundamentals of all sciences which provides basic principles and fundamental laws to other branches of science is.?

    31 / 50

    Which rays has the shortest wavelength?

    32 / 50

    Speed is not a…………….quantity.?

    33 / 50

    The branch of physics that deals with highly energetic ions is called?

    34 / 50

    The path followed by the projectile is called…………………?

    35 / 50

    Work is equal to the product of?

    36 / 50

    Torque is the product of?

    37 / 50

    If particles P and R, each having the same mass, are dropped from
    rest through the same potential difference, where P has a charge of +q
    and R has a charge of +9q, what is the resulting ratio of their speeds?

    38 / 50

    If the plane of AC Generator Coil is perpendicular to the Field emf is induced with ?

    39 / 50

    CNG stands for?

    40 / 50

    Sound waves cannot be ?

    41 / 50

    What happens to the reactance of an AC capacitor at low frequencies?

    42 / 50

    AC generators work on the principle of ?

    43 / 50

    The S.I unit of intensity of light is…………………………?

    44 / 50

    What is the term for the ratio "Ic / Ib"?

    45 / 50

    What path will a photon take when it enters a magnetic field at a  right angle?

    46 / 50

    What is the potential energy comparison between the two spheres when they are about to touch the ground?

    47 / 50

    Short sight defect could be corrected by a………..?

    48 / 50

    If the density of a cube is determined by measuring the mass and
    length of its side, and the maximum error in measurement of mass and
    length is 3% and 2% respectively, what will be the maximum error in the measurement of density?

    49 / 50

    In a three-phase current system, what is the phase difference between two lines?

    50 / 50

    In the context of self-inductance, what is the quantity to which the total flux is proportional?

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