The spacing between fringes is given by:
y = D*lambda/d where D is screen distance, d is slit spacing, lambda is wavelength
= 4.9*650e-9/[1/(150*100)]
= 0.0478 m answer
3. 650 nm yellow light is incident on a diffraction grating which has 150 lines/cm. What...
Light of wavelength 429 nm (in vacuum) is incident on a diffraction grating that has a slit separation of 1.2 × 10-5 m. The distance between the grating and the viewing screen is 0.10 m. A diffraction pattern is produced on the screen that consists of a central bright fringe and higher-order bright fringes (see the drawing). (a) Determine the distance y from the central bright fringe to the second-order bright fringe. (Hint: The diffraction angles are small enough that...
Light of wavelength 385 nm (in vacuum) is incident on a diffraction grating that has a slit separation of 1.2 × 10-5 m. The distance between the grating and the viewing screen is 0.18 m. A diffraction pattern is produced on the screen that consists of a central bright fringe and higher-order bright fringes (see the drawing). (a) Determine the distance y from the central bright fringe to the second-order bright fringe. (Hint: The diffraction angles are small enough that...
A diffraction grating with 600 lines/mm is illuminated with light of wavelength 510 nm. A very wide viewing screen is 4.2 m behind the grating. Part A What is the distance between the two m = 1 bright fringes? Express your answer with the appropriate units. Δy = SubmitMy AnswersGive Up Part B How many bright fringes can be seen on the screen? N = SubmitMy AnswersGive Up
Light from a 580nm source is incident on a diffraction grating. The bright fringes on a screen 3.2m from the grating are separated by a distance of 2.6cm. Determine the line spacing for the diffraction grating
Monochromatic light shines on a diffraction grating with 8,600 lines uniformly distributed over 1.8 cm. The grating is illuminated using a laser of 630 nm wavelength. A diffraction pattern is formed on a screen located at 1.7 m away from the grating. (a) What is the angle of the first-order maximum of the 630-nm light incident upon the grating? (b) What is the separation on the screen between the first and the second order maxima? (c) What is the highest...
A diffraction grating with 610 lines per mm is illuminated with light of wavelength 520 nm . A very wide viewing screen is 2.0 m behind the grating. Part A What is the distance between the two m=1 fringes? Express your answer in meters. ΔyΔ y = nothing m Request Answer Part B How many bright fringes can be seen on the screen? Express your answer as an integer.
A 480 lines/mm diffraction grating is illuminated by light of wavelength 510 nm . How many bright fringes are seen on a 4.0-m-wide screen located 2.1 m behind the grating?
. A diffraction 1. Red laser light ( - 650 nm) is incident on a diffraction grating characterized by 300 lines grating pattern is formed on a screen 2.0 m behind the grating. a) (2 pts) Determine the grating constant d. Express your answer in meters b) (4 pts) Determine 0, and 0s, the angles of the first-order and second-order maxima observed. Express your answer in degrees .) (4 pts) Determine the positions y, and y of the observed maxima...
Problem 9: A red laser (λ = 608 nm) is incident on a diffraction grating that has n = 1100 lines per cm. Randomized Variables λ = 608 nm n = 1100 lines/cm  Part (a) What is the angle, in radians, that the first order maximum makes, θ1? Numeric : A numeric value is expected and not an expression. θ1 = __________________________________________ Part (b) What is the angle of the fourth order maximum, θ4, in radians? Numeric : A...
3. Light, which is emitted from a gas sample, is incident on a diffraction grating with 700 lines/cm. The antinodes appear on a screen 1.25 m away and the antinodes are separated by 2.90x102 m. (a) What is the wavelength of the light? (3 marks) (b) What is the frequency of the light? (2 marks)