Gr 10 Physical Sciences Ch 9: Wave-like nature of EM radiation
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Questions and Answers

What is the concept that describes the dual nature of electromagnetic radiation?

  • Wave-particle duality (correct)
  • Interference principle
  • Polarization theory
  • Electromagnetic induction

Which of the following properties is NOT a characteristic of wave-like behavior of electromagnetic radiation?

  • Interference
  • Diffraction
  • Gravity (correct)
  • Polarization

What occurs when light passes from one medium to another, resulting in a change of speed and direction?

  • Polarization
  • Refraction (correct)
  • Diffraction
  • Interference

What is the term for the bending of light around an obstacle or through a narrow slit?

<p>Diffraction (A)</p> Signup and view all the answers

What type of filters allow only light waves oscillating in a specific direction to pass through?

<p>Polarization filters (D)</p> Signup and view all the answers

What is the principle behind the generation of electromagnetic waves?

<p>Accelerating charges (A)</p> Signup and view all the answers

What is the mutual induction of electromagnetic waves due to?

<p>Both a and b (A)</p> Signup and view all the answers

What is the term for the discrete packets of energy that make up electromagnetic radiation?

<p>Photons (A)</p> Signup and view all the answers

What is the primary reason why electromagnetic radiation exhibits wave-like behavior?

<p>Because it is generated by accelerating charges (B)</p> Signup and view all the answers

Which of the following wave-like properties of electromagnetic radiation is responsible for the creation of patterns of constructive and destructive interference?

<p>Diffraction (C)</p> Signup and view all the answers

What is the direction of oscillation in light waves that are allowed to pass through a polarization filter?

<p>Specific direction (A)</p> Signup and view all the answers

What is the result of a changing electric field in electromagnetic radiation?

<p>A changing magnetic field (B)</p> Signup and view all the answers

What is the primary characteristic of electromagnetic radiation that enables it to exhibit particle-like behavior?

<p>Its discrete packets of energy (B)</p> Signup and view all the answers

What is the term for the phenomenon where light waves bend and create patterns of constructive and destructive interference?

<p>Diffraction (B)</p> Signup and view all the answers

What is the result of a changing magnetic field in electromagnetic radiation?

<p>A changing electric field (B)</p> Signup and view all the answers

What is the primary characteristic of electromagnetic radiation that enables it to exhibit wave-like behavior?

<p>Its ability to bend around obstacles and create patterns of constructive and destructive interference (C)</p> Signup and view all the answers

What is the primary reason why electromagnetic radiation exhibits wave-like behavior in certain experiments?

<p>Because it can be observed to bend around obstacles and through narrow slits (A)</p> Signup and view all the answers

What is the result of a changing magnetic field in electromagnetic radiation?

<p>The generation of an electric field (A)</p> Signup and view all the answers

What is the characteristic of electromagnetic radiation that enables it to exhibit both wave-like and particle-like behavior?

<p>Its composition of electric and magnetic fields (B)</p> Signup and view all the answers

What is the process by which electromagnetic waves propagate through space?

<p>Mutual induction of electric and magnetic fields (C)</p> Signup and view all the answers

What is the primary characteristic of electromagnetic radiation that enables it to exhibit particle-like behavior in certain experiments?

<p>Its composition of discrete packets of energy (B)</p> Signup and view all the answers

What is the term for the phenomenon where light waves oscillate in various directions?

<p>Polarization (C)</p> Signup and view all the answers

What is the role of accelerating charges in the generation of electromagnetic waves?

<p>They generate oscillating electric and magnetic fields (C)</p> Signup and view all the answers

What is the characteristic of electromagnetic radiation that enables it to travel through a vacuum?

<p>Its ability to travel at a constant speed (B)</p> Signup and view all the answers

What is the underlying principle behind the phenomenon of diffraction in electromagnetic radiation?

<p>The superposition of light waves (A)</p> Signup and view all the answers

Which of the following statements is true about the oscillation of light waves?

<p>Light waves can oscillate in any direction perpendicular to the direction of propagation (D)</p> Signup and view all the answers

What is the primary reason why electromagnetic radiation can exhibit both wave-like and particle-like behavior?

<p>The dual nature of light (D)</p> Signup and view all the answers

Which of the following is a characteristic of electromagnetic waves that allows them to propagate through space?

<p>The presence of electric and magnetic fields (C)</p> Signup and view all the answers

What is the term for the patterns created by the superposition of light waves?

<p>Interference patterns (C)</p> Signup and view all the answers

What is the primary mechanism behind the generation of electromagnetic waves?

<p>The acceleration of charges (D)</p> Signup and view all the answers

Which of the following is a consequence of the transverse nature of light waves?

<p>The polarization of light waves (A)</p> Signup and view all the answers

What is the underlying principle behind the phenomenon of refraction in electromagnetic radiation?

<p>The change in speed of light as it passes from one medium to another (C)</p> Signup and view all the answers

What is the main reason for the diffraction of light when it passes through a narrow slit or encounters an obstacle?

<p>The wave-like nature of light (D)</p> Signup and view all the answers

What is the effect of a changing magnetic field on an electric field?

<p>It generates a changing electric field (D)</p> Signup and view all the answers

What is the orientation of light waves after passing through a polarization filter?

<p>Parallel to the filter (B)</p> Signup and view all the answers

What is the source of the electric and magnetic fields that generate electromagnetic waves?

<p>Accelerating charges (D)</p> Signup and view all the answers

What is the underlying principle behind the refraction of light as it passes from one medium to another?

<p>The change in speed of light (A)</p> Signup and view all the answers

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