Monochromatic light (wavelength = 450 nm) is incident perpendicularly on a single slit (width = 0.40 mm). A screen is placed parallel to the slit plane, and on it the distance between the two minima on either side of the central maximum is 1.8 mm. (a) What is the distance from the slit to the screen? ( Hint: The angle to either minimum is small enough that sin θ ≈ tan θ .) (b) What is the distance on the screen between the first minimum and the third minimum on the same side of the central maximum?
Monochromatic light (wavelength = 450 nm) is incident perpendicularly on a single slit (width = 0.40 mm). A screen is placed parallel to the slit plane, and on it the distance between the two minima on either side of the central maximum is 1.8 mm. (a) What is the distance from the slit to the screen? ( Hint: The angle to either minimum is small enough that sin θ ≈ tan θ .) (b) What is the distance on the screen between the first minimum and the third minimum on the same side of the central maximum?
Monochromatic light (wavelength = 450 nm) is incident perpendicularly on a single slit (width = 0.40 mm). A screen is placed parallel to the slit plane, and on it the distance between the two minima on either side of the central maximum is 1.8 mm. (a) What is the distance from the slit to the screen? (Hint: The angle to either minimum is small enough that sin θ ≈ tan θ.) (b) What is the distance on the screen between the first minimum and the third minimum on the same side of the central maximum?
Monochromatic light (wavelength = 455 nm) is incident perpendicularly on a single slit (width = 0.56 mm). A screen is placed parallel to
the slit plane, and on it the distance between the two minima on either side of the central maximum is 2.1 mm. (a) What is the distance
from the slit to the screen? (Hint: The angle to either minimum is small enough that sin ≈ tan 9.) (b) What is the distance on the screen
between the first minimum and the third minimum on the same side of the central maximum?
(a) Number 120
(b) Number i 1.8
Units
Units
cm
mm
Monochromatic light (wavelength = 450 nm) is incident perpendicularly on a single slit (width = 0.40 mm). A screen is placed parallel to the slit plane, and on it the distance between the two minima on either side of the central maximum is 1.8 mm. (a)What is the distance from the slit to the screen? (Hint: The angle to either minimum is small enough that sin u tan u.) (b) What is the distance on the screen between the first minimum and the third minimum on the same side of the central maximum?
Monochromatic light is incident on a pair of slits that are separated by 0.210 mm. The screen is 2.80 m away from the slits. (Assume the small-angle approximation is valid here.)
(a) If the distance between the central bright fringe and either of the adjacent bright fringes is 1.32 cm, find the wavelength of the incident light. m(b) At what angle does the next set of bright fringes appear?
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Diffraction of light animation best to understand class 12 physics; Author: PTAS: Physics Tomorrow Ambition School;https://www.youtube.com/watch?v=aYkd_xSvaxE;License: Standard YouTube License, CC-BY