Take The Physics Trivia Quiz Questions To Pass!

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Quizzes Created: 12 | Total Attempts: 34,745
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  • 1/25 Questions

    The work done will be zero when the angle between the force and the distance is ______________________.

    • 45°
    • 60°
    • 90°
    • 180°
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About This Quiz

Challenge your knowledge of physics with this engaging trivia quiz! Covering topics from wave mechanics to electromagnetic phenomena and nuclear physics, this quiz assesses key concepts essential for learners at various levels, enhancing understanding and retention.

Take The Physics Trivia Quiz Questions To Pass! - Quiz

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  • 2. 

    Which of the following is a unit of density?

    Correct Answer
    A.
    Explanation
    The unit of density is grams per cubic centimeter (g/cm³). Density is a measure of how much mass is contained in a given volume. It is calculated by dividing the mass of an object by its volume. The unit g/cm³ represents the mass of a substance in grams per unit volume in cubic centimeters.

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  • 3. 

    If the capacitance of a capacitor is 10μF and potential difference is 2 volts then charge stored is _______________.

    • 20 coulomb

    • 200 coulomb

    • Take The Physics Trivia Quiz Questions To Pass! - Quiz

    • Take The Physics Trivia Quiz Questions To Pass! - Quiz
    Correct Answer
    A.
    Explanation
    The charge stored in a capacitor can be calculated using the formula Q = CV, where Q is the charge, C is the capacitance, and V is the potential difference. In this case, the capacitance is given as 10 μF and the potential difference is given as 2 volts. Plugging these values into the formula, we get Q = (10 μF)(2 volts) = 20 μC. Therefore, the charge stored is 20 coulomb.

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  • 4. 

    If mass of both the bodies is 1Kg and distance between their centers is 1m then gravitational force will be:

    • G

    • G

    • V

    • None

    Correct Answer
    A. G
    Explanation
    The correct answer is G. According to Newton's law of universal gravitation, the gravitational force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. In this case, since the mass of both bodies is 1Kg and the distance between their centers is 1m, the gravitational force can be represented by the gravitational constant G.

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  • 5. 

    When trivalent impurity is added then ________________ is produced.

    • Free electron

    • Bound electron

    • Hole

    • Electron

    Correct Answer
    A. Hole
    Explanation
    When a trivalent impurity is added to a material, it introduces an extra electron into the crystal lattice. This extra electron can move freely within the lattice, leaving behind an empty space called a hole. Therefore, the correct answer is "Hole".

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  • 6. 

    For scientific notation internationally accepted practice is that there should be ______________digit before the decimal point.

    • One

    • Two

    • Three

    • No

    Correct Answer
    A. One
    Explanation
    The internationally accepted practice for scientific notation is to have one digit before the decimal point. This allows for consistent representation of numbers in a concise and standardized manner.

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  • 7. 

    A small steel ball is dropped from a low balcony. Ignoring air resistance, which statement describes its motion?

    • It falls with constant acceleration.

    • It falls with constant speed.

    • It falls with decreasing acceleration.

    • It falls with decreasing speed

    Correct Answer
    A. It falls with constant acceleration.
    Explanation
    The correct answer is "It falls with constant acceleration." This means that the ball's velocity increases by the same amount every second. Since the question states that air resistance is ignored, the only force acting on the ball is gravity, which causes it to accelerate downwards at a constant rate. As a result, the ball's speed increases as it falls.

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  • 8. 

    The interval of 200µs is equivalent to_____________________.

    • 0.2 sec

    • 0.02sec

    • Take The Physics Trivia Quiz Questions To Pass! - Quiz

    • Take The Physics Trivia Quiz Questions To Pass! - Quiz
    Correct Answer
    A.
    Explanation
    The interval of 200µs is equivalent to 0.2 sec.

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  • 9. 

    If the object is placed between f and 2f of convex lens, the image will be formed at ____________________.

    • At 2f

    • Beyond 2f

    • At f

    • Between f and 2f

    Correct Answer
    A. Beyond 2f
    Explanation
    When an object is placed between the focal point (f) and twice the focal length (2f) of a convex lens, the image formed is virtual, erect, and magnified. This means that the image appears on the same side as the object, it is upright, and it appears larger than the object. Since the image is virtual and appears on the same side as the object, it is formed beyond 2f of the convex lens. Therefore, the correct answer is "beyond 2f".

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  • 10. 

    Fahrenheit equivalent of 0K is__________________________.

    • – 273F°

    • – 459F°

    • 0F°

    • 100F°

    Correct Answer
    A. – 459F°
    Explanation
    The Fahrenheit scale is based on the freezing and boiling points of water, with 32°F being the freezing point and 212°F being the boiling point. 0K is equivalent to -273.15°C, which is far below the freezing point of water. Since -459°F is the equivalent of -273.15°C, it is the correct Fahrenheit equivalent of 0K.

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  • 11. 

    When current is passing through a solenoid it becomes______________________

    • Magnet

    • Permanent magnet

    • Temporary Magnet

    • None of these

    Correct Answer
    A. Temporary Magnet
    Explanation
    When current is passing through a solenoid, it creates a magnetic field around it. This magnetic field can cause the solenoid to behave like a magnet, attracting magnetic materials. However, once the current is turned off, the magnetic field disappears and the solenoid loses its magnetism. Therefore, the solenoid becomes a temporary magnet when current is passing through it.

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  • 12. 

    The relation between  linear  expansion  and  volume  expansion  is  ____________.

    • β = α/2

    • α = 3 β

    • β = 3 α

    • α = β/2

    Correct Answer
    A. β = 3 α
    Explanation
    The correct answer is β = 3 α. This equation shows the relationship between linear expansion (α) and volume expansion (β). It states that the volume expansion is three times the linear expansion.

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  • 13. 

    A galvanometer is converted into ammeter when we connect a ____________

    • High resistance in series

    • High resistance in parallel

    • Low resistance in series

    • Low resistance in parallel

    Correct Answer
    A. Low resistance in parallel
    Explanation
    When a galvanometer is converted into an ammeter, it is done by connecting a low resistance in parallel. This is because an ammeter is used to measure current, and it needs to have a low resistance in order to minimize the voltage drop across it. By connecting a low resistance in parallel with the galvanometer, it allows most of the current to pass through the low resistance, ensuring accurate measurement of the current flowing through the circuit.

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  • 14. 

    The half-life of radium is 1600 years. How much of 120g of radium will be left after 4800 year?

    • 120g

    • 60g

    • 30g

    • 15g

    Correct Answer
    A. 15g
    Explanation
    The half-life of radium is 1600 years, which means that after 1600 years, half of the original amount of radium will remain. After another 1600 years, half of that remaining amount will remain, and so on. Since 4800 years is equal to three half-lives of radium, we can calculate that after 4800 years, only one-eighth (1/2 * 1/2 * 1/2) of the original amount will remain. Therefore, 120g * 1/8 = 15g of radium will be left after 4800 years.

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  • 15. 

    The distance between two point charges is 20cm. if the distance is reduced to 10cm, the Coulomb force would become____________________.

    • Half

    • Two times

    • One fourth

    • Four times

    Correct Answer
    A. Four times
    Explanation
    When the distance between two point charges is reduced from 20cm to 10cm, the Coulomb force between them becomes four times stronger. This is because the Coulomb force is inversely proportional to the square of the distance between the charges. As the distance is halved, the denominator of the equation becomes one-fourth, resulting in the force becoming four times larger.

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  • 16. 

    In hot summer days reflection of water is seen on the road due to ______________.

    • Reflection

    • Refraction

    • Total internal reflection

    • Dispersion

    Correct Answer
    A. Total internal reflection
    Explanation
    Total internal reflection occurs when light travels from a medium with a higher refractive index to a medium with a lower refractive index, and the angle of incidence is greater than the critical angle. In the case of hot summer days, the air near the road surface is often hotter than the air above it. This temperature difference causes the light to bend as it passes from the cooler air to the hotter air near the road surface, resulting in total internal reflection. This phenomenon creates the illusion of a reflection of water on the road.

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  • 17. 

    If the zero of the circular scale is below the horizontal line the zero error is to be_______________

    • Added

    • Subtracted

    • Multiplied

    • Divided

    Correct Answer
    A. Subtracted
    Explanation
    If the zero of the circular scale is below the horizontal line, it means that the scale is not aligned properly and there is a zero error. To correct this error, we need to subtract the value of the zero error from the readings obtained on the scale. This adjustment ensures that the measurements are accurate and reliable.

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  • 18. 

    For the propagation of signals in our body _________________energy is used.

    • Heat

    • Electrical

    • Chemical

    • Mechanical

    Correct Answer
    A. Electrical
    Explanation
    The correct answer is electrical because signals in our body, such as nerve impulses, are transmitted through the use of electrical energy. Electrical signals allow for the rapid and efficient communication between cells and tissues in our body, enabling various physiological processes and functions to occur.

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  • 19. 

    Waves travels on water surface through _____________________

    • Molecules

    • Atoms

    • Disturbance

    • Mass

    Correct Answer
    A. Molecules
    Explanation
    Waves travel on the water surface through the interaction and movement of water molecules. As the water molecules are disturbed or displaced, they transfer energy to neighboring molecules, causing a ripple effect that propagates as a wave. This movement of water molecules allows the wave to travel across the water surface.

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  • 20. 

    What is the induced in the coil when there is a relative motion between the coils of magnet?

    • Lines of force

    • Direct current

    • Emf

    • Alternating current

    Correct Answer
    A. Alternating current
    Explanation
    When there is a relative motion between the coils of a magnet, it induces a current in the coil. This current is known as an induced electromotive force (emf). The induced emf creates an alternating current in the coil, which means the direction of the current constantly changes. Therefore, the correct answer is "alternating current."

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  • 21. 

    State and prove Gauss's Law in electrostatics and express the law in differential forms.(Give brief answers)

  • 22. 

    Which techniques you will use to motivate the students?

  • 23. 

    What would you do if the whole class is not getting the concept?

  • 24. 

    How can you make learning fun for the students?

  • 25. 

    Why should we consider you for the teaching job in our school?

Quiz Review Timeline (Updated): Mar 17, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 17, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 14, 2014
    Quiz Created by
    Hamad
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