General Physics 2 - First Semester (2nd Periodical)
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Questions and Answers

What is the frequency range of soft X-rays?

  • 10¹⁸ Hz to 100 pm
  • 3 × 10¹⁶ to 10¹⁸ Hz (correct)
  • 10 nm to 100 pm
  • 3 × 10¹⁶ to 100 pm
  • What is the wavelength range of soft X-rays?

  • 10 nm to 100 pm (correct)
  • 3 × 10¹⁶ to 10¹⁸ Hz
  • 4 × 10⁻⁸ inches to 4 × 10⁻⁷ inches
  • 10¹⁸ Hz to 100 pm
  • What is the main difference between X-rays and gamma rays?

  • Their frequency range
  • Their wavelength range
  • Their source of production (correct)
  • Their speed
  • What is the frequency range of gamma rays?

    <p>Greater than 10¹⁸ Hz</p> Signup and view all the answers

    What is the wavelength range of gamma rays?

    <p>Less than 100 pm (4 × 10⁻⁹ inches)</p> Signup and view all the answers

    Soft X-rays have frequencies in the range of $3 imes 10^{16}$ to $10^{18}$ Hz. What is the corresponding wavelength range of soft X-rays?

    <p>$10$ nm to $100$ pm</p> Signup and view all the answers

    What is the main difference between X-rays and gamma rays?

    <p>X-rays are produced by accelerating electrons, while gamma rays are produced by atomic nuclei.</p> Signup and view all the answers

    Gamma rays have frequencies greater than $10^{18}$ Hz. What is the corresponding wavelength range of gamma rays?

    <p>Less than $100$ pm (or $4 imes 10^{-9}$ inches)</p> Signup and view all the answers

    What is the range of frequencies for soft X-rays and gamma rays combined?

    <p>$3 imes 10^{16}$ Hz to greater than $10^{18}$ Hz</p> Signup and view all the answers

    What makes gamma radiation useful for killing cancer cells?

    <p>Damage caused to living tissue</p> Signup and view all the answers

    Which one of the following is true about soft X-rays and gamma rays?

    <p>Soft X-rays have longer wavelengths than gamma rays.</p> Signup and view all the answers

    Which one of the following accurately describes the source of X-rays and gamma rays?

    <p>X-rays are produced by accelerating electrons, while gamma rays are produced by atomic nuclei.</p> Signup and view all the answers

    Which one of the following statements is true about the wavelength range of soft X-rays and gamma rays?

    <p>The wavelength range of soft X-rays is shorter than that of gamma rays.</p> Signup and view all the answers

    Which part of the retina is responsible for daylight vision?

    <p>Cones</p> Signup and view all the answers

    What are the three kinds of cones in the retina?

    <p>Red, green, and blue</p> Signup and view all the answers

    What cells are responsible for night vision?

    <p>Rods</p> Signup and view all the answers

    What is the function of the lens in the eye?

    <p>To focus light on the retina</p> Signup and view all the answers

    How do nerve impulses carry information about an image to the brain?

    <p>Through the optic nerve</p> Signup and view all the answers

    Which cells in the retina are responsible for daylight vision?

    <p>Cones</p> Signup and view all the answers

    What is the main function of the lens in the eye?

    <p>To focus light on the retina</p> Signup and view all the answers

    What causes the colors of a rainbow?

    <p>Refraction and dispersion of light from water droplets</p> Signup and view all the answers

    Why do stars appear to twinkle?

    <p>Due to the turbulent atmosphere</p> Signup and view all the answers

    What is chromatic aberration?

    <p>Color distortion in an image viewed through a glass lens</p> Signup and view all the answers

    Which part of the eye is responsible for focusing light on the retina?

    <p>The lens</p> Signup and view all the answers

    What is the function of cones in the retina?

    <p>Daylight vision</p> Signup and view all the answers

    What causes stars to twinkle?

    <p>Variations in temperature and density of Earth's atmosphere</p> Signup and view all the answers

    According to Christian Huygens's Principle, what can be thought of as new sources of spherical waves?

    <p>All points on a wavefront</p> Signup and view all the answers

    What is the characteristic pattern of bright and dark fringes observed when monochromatic light passing through two narrow slits illuminates a distant screen?

    <p>Interference pattern</p> Signup and view all the answers

    What causes the production of fringes in wave optics?

    <p>Interference of light waves</p> Signup and view all the answers

    What is the main purpose of the double-slit experiment?

    <p>To study the interference of light waves</p> Signup and view all the answers

    What is the general condition for observing interference in the double-slit experiment?

    <p>All of the above</p> Signup and view all the answers

    According to Christian Huygens's Principle, what can be thought of as new sources of spherical waves?

    <p>Points on a wavefront</p> Signup and view all the answers

    What is the general condition for observing interference in the double-slit experiment?

    <p>The interfering waves must travel through different regions of space</p> Signup and view all the answers

    What is the characteristic pattern of bright and dark fringes observed when monochromatic light passing through two narrow slits illuminates a distant screen?

    <p>Interference pattern</p> Signup and view all the answers

    What causes the production of fringes in wave optics?

    <p>Diffraction and interference of light waves</p> Signup and view all the answers

    What is the main purpose of the double-slit experiment?

    <p>To demonstrate the wave nature of light</p> Signup and view all the answers

    According to Christian Huygens's Principle, what can be thought of as new sources of spherical waves?

    <p>The wavefront</p> Signup and view all the answers

    What is the characteristic pattern of bright and dark fringes observed when monochromatic light passing through two narrow slits illuminates a distant screen?

    <p>Interference pattern</p> Signup and view all the answers

    What causes the production of fringes in wave optics?

    <p>Interference of light</p> Signup and view all the answers

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