Class 12 Physics Chapter 4
5 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What principle explains the buoyant force acting on an object submerged in a fluid?

  • Archimedes' Principle (correct)
  • Pascal's Principle
  • Bernoulli's Principle
  • Newton's Second Law
  • Which equation represents the relationship between pressure, volume, and temperature in an ideal gas?

  • P = V/nT
  • PV = kT
  • PV = nRT (correct)
  • PV = RT
  • Which of the following describes the phenomenon of thermal expansion in solids?

  • Decrease in density with temperature increase
  • Increase in dimension with the rise in temperature (correct)
  • Dimensional contraction at high temperatures
  • Total decay of molecular structure upon heating
  • What condition is necessary for total internal reflection to occur?

    <p>The angle of incidence must be greater than the critical angle.</p> Signup and view all the answers

    In the context of wave interference, what is typically observed when two waves interfere constructively?

    <p>Increase in amplitude</p> Signup and view all the answers

    Study Notes

    Buoyant Force

    • The principle that explains buoyant force is Archimedes' Principle, which states that an object submerged in a fluid experiences an upward force equal to the weight of the fluid displaced.

    Ideal Gas Law

    • The equation representing the relationship between pressure (P), volume (V), and temperature (T) in an ideal gas is the Ideal Gas Law: PV = nRT, where n is the number of moles and R is the universal gas constant.

    Thermal Expansion in Solids

    • Thermal expansion in solids is the phenomenon where a solid increases in size when its temperature rises, due to the increased kinetic energy of its atoms causing them to move apart.

    Total Internal Reflection

    • Total internal reflection occurs when light traveling through a denser medium hits a boundary with a less dense medium at an angle greater than the critical angle, resulting in the light being completely reflected.

    Wave Interference

    • When two waves interfere constructively, they combine to produce a wave of greater amplitude, leading to increased intensity of the resulting wave.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Test your understanding of buoyancy, gas laws, thermal expansion, and wave interference with this quiz. Questions cover fundamental principles that govern these physical phenomena, ensuring a comprehensive review of Chapter 4. Dive into the fascinating world of physics and assess your knowledge!

    More Like This

    Use Quizgecko on...
    Browser
    Browser