Trivia On Physics! Ultimate Questions! Quiz

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Questions and Answers
  • 1. 

    What's the name for an atom that loses or gains an electron?

    • A.

      Typhoon

    • B.

      Barrel

    • C.

      Allopath

    • D.

      Ion

    Correct Answer
    D. Ion
    Explanation
    An ion is the correct answer because it refers to an atom that has either gained or lost an electron. When an atom loses an electron, it becomes positively charged and is called a cation. Conversely, when an atom gains an electron, it becomes negatively charged and is called an anion. Therefore, an ion is the term used to describe an atom that has undergone a change in its electron count.

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  • 2. 

    What are the positive end and negative end of a bar magnet called?

    • A.

      Caps

    • B.

      Piles

    • C.

      Cells

    • D.

      Poles

    Correct Answer
    D. Poles
    Explanation
    The positive end and negative end of a bar magnet are called "poles". Poles refer to the two opposite ends of a magnet where the magnetic field is the strongest. The positive pole is commonly referred to as the north pole, while the negative pole is referred to as the south pole. These poles play a crucial role in magnetism and determine how magnets interact with each other and with other magnetic materials.

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  • 3. 

    What is the product of mass times acceleration?

    • A.

      Force

    • B.

      Sculpin

    • C.

      Density

    • D.

      Shove

    Correct Answer
    A. Force
    Explanation
    The product of mass times acceleration is known as force. Force is a vector quantity that describes the interaction between objects and can cause them to accelerate or decelerate. It is calculated by multiplying an object's mass by its acceleration. In other words, force is the measure of how much a mass is being accelerated or decelerated. Therefore, force is the correct answer to the question.

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  • 4. 

    What is the standard SI unit the pascal used to measure?

    • A.

      Health

    • B.

      Hypercharge

    • C.

      Pressure

    • D.

      Symmetry

    Correct Answer
    C. Pressure
    Explanation
    The correct answer is "Pressure." The pascal is the standard SI unit used to measure pressure. Pressure is defined as the force applied per unit area, and the pascal represents one newton of force per square meter. It is commonly used in various fields such as physics, engineering, and meteorology to quantify the intensity or force exerted on a surface.

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  • 5. 

    Water changes from liquid to a gas by what process?

    • A.

      Extinction

    • B.

      Evaporation

    • C.

      Sublimation

    • D.

      Vibration

    Correct Answer
    B. Evaporation
    Explanation
    Evaporation is the process by which water changes from a liquid to a gas. It occurs when the molecules of water gain enough energy to break the bonds holding them together and escape into the air. This process is influenced by factors such as temperature, surface area, and air movement. Evaporation is an important part of the water cycle and plays a crucial role in regulating the Earth's temperature and distributing water vapor in the atmosphere.

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  • 6. 

    What unit of speed equals one nautical mile per hour?

    • A.

      Knot

    • B.

      Hemp

    • C.

      Hard Water

    • D.

      Cavitation

    Correct Answer
    A. Knot
    Explanation
    A knot is a unit of speed that equals one nautical mile per hour. It is commonly used in maritime and aviation contexts to measure the speed of vessels and aircraft. The term "knot" originated from the practice of sailors using a log line with knots tied at regular intervals to measure the speed of a ship by counting the number of knots that passed through their hands in a specific time period. Today, the knot is widely recognized and used internationally as a standard unit of speed in navigation.

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  • 7. 

    AA, AAA, and AAAA alkaline batteries all have what voltage?

    • A.

      6 Volts

    • B.

      2.5 Volts

    • C.

      1.5 Volts

    • D.

      9 Volts

    Correct Answer
    C. 1.5 Volts
    Explanation
    AA, AAA, and AAAA alkaline batteries all have a voltage of 1.5 volts. This is a standard voltage for alkaline batteries and is commonly used in various electronic devices such as remote controls, flashlights, and toys. The 1.5-volt rating ensures that these batteries provide a consistent and reliable power source for these devices.

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  • 8. 

    Loudness is measured on a logarithmic scale using what unit?

    • A.

      Flat

    • B.

      Demiwatt

    • C.

      Decibel

    • D.

      Gallon

    Correct Answer
    C. Decibel
    Explanation
    Loudness is measured on a logarithmic scale because our perception of sound intensity is not linear. The decibel (dB) is the unit used to measure loudness. It quantifies the ratio between the intensity of a sound and a reference level. The logarithmic scale allows us to represent a wide range of sound intensities in a more manageable and meaningful way. Therefore, the correct answer is Decibel.

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  • 9. 

    What is the base unit of electrical current in the SI system?

    • A.

      Electron

    • B.

      Nepeta

    • C.

      Ampere

    • D.

      Anti-Aliasing

    Correct Answer
    C. Ampere
    Explanation
    The base unit of electrical current in the SI system is Ampere. Ampere is a unit of measurement used to quantify the flow of electric charge in a circuit. It represents one coulomb of electric charge passing through a point in one second. The other options mentioned in the question - Electron, Nepeta, and Anti-Aliasing - are not base units of electrical current in the SI system.

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  • 10. 

    What unit of mass is equal to a hundredth of a gram?

    • A.

      Methane

    • B.

      Centigram

    • C.

      Lux

    • D.

      Dolmen

    Correct Answer
    B. Centigram
    Explanation
    A centigram is a unit of mass in the metric system that is equal to one hundredth of a gram. This means that a centigram is a smaller unit of measurement than a gram. In the given question, the correct answer is centigram because it is the unit that is equal to a hundredth of a gram, making it the most appropriate choice. Methane, lux, and dolmen are unrelated to units of mass and therefore are incorrect choices.

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  • 11. 

    The Great Red Spot, a persistent feature of Jupiter's surface, is what phenomenon?

    • A.

      A Storm

    • B.

      A Mountain

    • C.

      An Island

    • D.

      A Crater

    Correct Answer
    A. A Storm
    Explanation
    The Great Red Spot is a massive storm on Jupiter's surface that has been observed for over 300 years. It is a swirling vortex of clouds that is twice the size of Earth and produces strong winds. The storm's distinct red color is believed to be caused by chemicals in Jupiter's atmosphere. The Great Red Spot is a well-known and prominent feature of Jupiter, making "A Storm" the correct answer.

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  • 12. 

    In aerodynamics, what combines with pressure to result in drag?

    • A.

      Lift

    • B.

      Radiation

    • C.

      Friction

    • D.

      Brownian Motion

    Correct Answer
    C. Friction
    Explanation
    In aerodynamics, friction combines with pressure to result in drag. When an object moves through a fluid, such as air, the friction between the object's surface and the fluid molecules creates a resistance force known as drag. This drag force acts opposite to the direction of motion and opposes the object's movement. It is caused by the interaction between the object's surface and the air molecules, resulting in a loss of energy and a decrease in speed. Therefore, friction is the correct answer as it directly contributes to the creation of drag in aerodynamics.

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  • 13. 

    Which object uses a lever?

    • A.

      Squirrel

    • B.

      Cup

    • C.

      Seesaw

    • D.

      Ball

    Correct Answer
    C. Seesaw
    Explanation
    A seesaw is an object that uses a lever. A lever is a simple machine that consists of a rigid beam or bar that pivots on a fulcrum. In the case of a seesaw, the fulcrum is located in the middle, and when one end of the seesaw is pushed down, the other end goes up. This is due to the principle of leverage, where a small force applied at a greater distance from the fulcrum can produce a larger force at a smaller distance from the fulcrum. Therefore, a seesaw is an example of an object that utilizes a lever.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 03, 2015
    Quiz Created by
    Alfredhook3
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