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Double slit experiment

Quiz by Huda Obied

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20 questions
Show answers
  • Q1
    What happens to the interference fringes when the monochromatic source is replaced by a source of white light?
    The fringes become less distinct and may blur into a continuous spectrum.
    The fringes disappear completely.
    The fringes become more distinct and sharper.
    The fringes alternate colors, showing complete separation.
    30s
  • Q2
    What is the effect on the interference pattern when the separation between the two slits in a Young's double slit experiment is increased?
    The interference pattern disappears completely.
    The intensity of the fringes increases significantly.
    The fringe spacing increases, spreading the fringes further apart.
    The fringe spacing decreases, making the fringes closer together.
    30s
  • Q3
    What effect does moving the screen away from the plane of the slits have on the interference fringes in a Young's double slit experiment?
    The fringes disappear completely.
    The fringe spacing increases, making the fringes further apart.
    The fringes become narrower and more closely spaced.
    The intensity of the fringes decreases significantly.
    30s
  • Q4
    What happens to the interference pattern when the width of the two slits is increased in a Young's double slit experiment?
    The interference pattern becomes less distinct due to increased diffraction.
    The interference pattern becomes sharper and more defined.
    The fringes spread out and become wider.
    The brightness of the fringes decreases significantly.
    30s
  • Q5
    What is the effect on the interference fringes if the source slit is moved closer to the double slit plane in a Young's double slit experiment?
    The fringe spacing increases, making the fringes further apart.
    The interference pattern becomes brighter and more intense.
    The fringe spacing decreases, making the fringes closer together.
    The fringes disappear completely.
    30s
  • Q6
    What effect does replacing a monochromatic light source with another monochromatic source of shorter wavelength have on the interference pattern in a Young's double slit experiment?
    The intensity of the fringes increases significantly.
    The interference pattern disappears completely.
    The fringes become wider and more spaced apart.
    The fringe spacing decreases, resulting in closer together fringes.
    30s
  • Q7
    What happens to the interference pattern when the width of the source slit is increased in a Young's double slit experiment?
    The pattern becomes sharper and more clearly defined.
    The brightness of the fringes increases significantly.
    The interference fringes disappear completely.
    The interference pattern becomes less distinct due to increased spreading of light waves.
    30s
  • Q8
    What is the impact on the interference pattern when the screen is moved closer to the double slit in a Young's double slit experiment?
    The interference pattern remains unchanged.
    The fringe spacing increases, spreading the fringes further apart.
    The intensity of the fringes decreases significantly.
    The fringe spacing decreases, making the fringes closer together.
    30s
  • Q9
    How does the use of white light instead of monochromatic light affect the interference pattern in a Young's double slit experiment?
    The pattern becomes just a single bright fringe.
    The fringes disappear, leaving a uniform light.
    The pattern is unchanged but becomes dimmer.
    The pattern shows a series of colored fringes rather than distinct monochromatic fringes.
    30s
  • Q10
    What effect does replacing the monochromatic light source with a source of lower intensity have on the interference pattern in a Young's double slit experiment?
    The fringe spacing increases, making the fringes further apart.
    The fringes disappear completely due to lack of intensity.
    The pattern becomes sharper and more defined.
    The overall brightness of the interference pattern decreases, but the fringe spacing remains unchanged.
    30s
  • Q11
    What is the effect on the interference pattern when the screen in a Young's double slit experiment is placed closer to the slits?
    The fringes become wider apart.
    The brightness of the fringes decreases significantly.
    The fringes become closer together.
    The pattern disappears entirely.
    30s
  • Q12
    What is the key principle demonstrated by Young's double slit experiment?
    Reflection of light waves
    Interference of light waves
    Diffraction of sound waves
    Refraction of light waves
    30s
  • Q13
    What happens to the interference pattern in Young's double slit experiment if one of the slits is covered?
    The interference pattern disappears
    The pattern doubles in size
    The pattern shifts to one side
    The pattern becomes brighter
    30s
  • Q14
    In Young's double slit experiment, what is the position of the first minimum in the interference pattern relative to the central maximum?
    It is located at a distance of \frac{2\lambda}{d} from the central maximum
    It is at the same point as the central maximum
    It is located at a distance of \lambda from the central maximum
    It is located at a distance of \frac{\lambda}{d} from the central maximum
    30s
  • Q15
    What type of source of light is typically used in Young's double slit experiment to observe clear interference patterns?
    Incoherent light sources
    Random light sources
    Monochromatic light sources
    Polychromatic light sources
    30s

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