Trivia: Physics MCQ Quiz!

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  • 1/10 Questions

    Sound cannot travel through...

    • Solid
    • Liquid
    • Vacuum
    • Gas
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About This Quiz

Dive into the essentials of physics with this engaging MCQ quiz! Test your knowledge on concepts like frequency, sound propagation, and light reflection. Perfect for learners looking to understand basic physics principles and enhance their problem-solving skills.

Trivia: Physics MCQ Quiz! - Quiz

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  • 2. 
    Frequency is measured in... - ProProfs

    Frequency is measured in...

    • Ampere

    • Metres

    • Ohms

    • Hertz

    Correct Answer
    A. Hertz
    Explanation
    Frequency is measured in Hertz. Hertz is the unit of measurement for frequency and represents the number of cycles or oscillations of a wave that occur per second. It is commonly used to measure the frequency of sound waves, electromagnetic waves, and other periodic phenomena. Ampere, Metres, and Ohms are units of measurement for electric current, length, and electrical resistance respectively, and are not used to measure frequency.

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  • 3. 
    Which of the following is the correct reason why we can see non-luminous objects? - ProProfs

    Which of the following is the correct reason why we can see non-luminous objects?

    • They bend light into our eyes

    • Our light gives out light

    • They shine light into our eyes

    • They reflect light into our eyes

    Correct Answer
    A. They reflect light into our eyes
    Explanation
    Non-luminous objects are visible because they reflect light into our eyes. Unlike luminous objects that emit their own light, non-luminous objects do not produce light on their own. Instead, they interact with light from external sources, such as the sun or artificial lights, and reflect some of that light back towards our eyes. This reflected light allows us to perceive the objects and see their color, shape, and texture.

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  • 4. 
    What is force divided by the of the point of application? - ProProfs

    What is force divided by the of the point of application?

    • Power

    • Pressure

    • Workdone

    • Energy

    Correct Answer
    A. Pressure
    Explanation
    Pressure is defined as force divided by the area of the point of application. It is a measure of the amount of force exerted on a given area. In this context, the question is asking for the term that represents force divided by the area of the point of application, which is pressure. Therefore, the correct answer is pressure.

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  • 5. 
    What is the difference between weight and mass? - ProProfs

    What is the difference between weight and mass?

    • Mass is the quantity of substance while weight is a force

    • Mass is a force while weight is the quantity of substance

    • They are synonymous

    • Mass is heavier than weight

    Correct Answer
    A. Mass is the quantity of substance while weight is a force
    Explanation
    Mass and weight are two different physical properties. Mass refers to the amount of matter in an object, while weight is the force exerted on an object due to gravity. Mass remains constant regardless of the location, while weight can vary depending on the strength of the gravitational pull. Therefore, the correct answer is that mass is the quantity of substance while weight is a force.

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  • 6. 
    Which of the following is not true about light? Light is... - ProProfs

    Which of the following is not true about light? Light is...

    • Fastest in vacuum

    • Slower than sound

    • Fastest in water

    • Fastest in Air

    Correct Answer
    A. Slower than sound
    Explanation
    Light is not slower than sound. In fact, light is the fastest known phenomenon in the universe. It travels at a speed of approximately 299,792 kilometers per second in a vacuum, which is significantly faster than the speed of sound. The speed of sound, on the other hand, varies depending on the medium it travels through, such as air, water, or solids. Therefore, the statement "Slower than sound" is not true about light.

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  • 7. 
    What is normal in a ray diagram? It is the line drawn at angle _____ to the mirror surface. - ProProfs

    What is normal in a ray diagram? It is the line drawn at angle _____ to the mirror surface.

    • 180"

    • 60"

    • 40"

    • 90"

    Correct Answer
    A. 90"
    Explanation
    In a ray diagram, the line drawn at a 90° angle to the mirror surface is considered normal. The normal line is an imaginary line that is perpendicular to the mirror surface at the point of incidence. It is used as a reference line to measure the angle of incidence and angle of reflection for the incident rays. The angle of incidence is the angle between the incident ray and the normal line, while the angle of reflection is the angle between the reflected ray and the normal line.

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  • 8. 
    The loss or gain of an electron in an atom result in the formation of... - ProProfs

    The loss or gain of an electron in an atom result in the formation of...

    • Molecules

    • Ions

    • Positive charge

    • Negative charge

    Correct Answer
    A. Ions
    Explanation
    When an atom gains or loses an electron, it becomes an ion. Ions are charged particles that have either a positive or negative charge. This occurs because the number of protons (positive charge) in the nucleus is no longer balanced by the number of electrons (negative charge) surrounding the atom. Therefore, the correct answer is ions.

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  • 9. 
    In an experiment, a stone and a feather are thrown from the same height. Neglecting air resistance, which will hit the ground first? - ProProfs

    In an experiment, a stone and a feather are thrown from the same height. Neglecting air resistance, which will hit the ground first?

    • The stone

    • The feather

    • Both will hit the ground the same time

    • The one that is heavier

    Correct Answer
    A. Both will hit the ground the same time
    Explanation
    Both the stone and the feather will hit the ground at the same time. This is because neglecting air resistance, the only force acting on both objects is gravity. Gravity causes all objects to accelerate towards the ground at the same rate, regardless of their mass. Therefore, both the stone and the feather will experience the same acceleration and will reach the ground simultaneously.

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  • 10. 
    Why does a sharp knife cut so well? - ProProfs

    Why does a sharp knife cut so well?

    • It has a large area so pressure is large

    • It has a large area so pressure is small

    • It has a small area so pressure is large

    • It has a small area so pressure is small

    Correct Answer
    A. It has a small area so pressure is small
    Explanation
    A sharp knife cuts well because it has a small area, which results in a small amount of pressure being applied to the object being cut. When the pressure is small, the knife is able to easily penetrate the object, reducing resistance and allowing for a clean cut.

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  • Current Version
  • Sep 02, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 24, 2018
    Quiz Created by
    Cripstwick
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