For a wavelength of 490 nm, a diffraction grating produces a bright fringe at an angle of 26°. For an unknown wavelength, the same grating produces a bright fringe at an angle of 36°. In both cases the bright fringes are of the same order m. What is the unknown wavelength?
For a wavelength of 490 nm, a diffraction grating produces a bright fringe at an angle...
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...
If a diffraction grating produces a third-order bright spot for red light of wavelength 700 nm, at 65° from the central maximum at what angle will the second order bright spot be for violet light of wavelength 400 nm? How many lines per mm on this grating? If a diffraction grating produces a third-order bright spot for red light of wavelength 700 nm, at 65° from the central maximum at what angle will the second order bright spot be for...
A wavelength of 514 nm is used to find an unknown diffraction grating. If the separation between the two 1st order principal maxima is 0.976 m on a wall 1.72 m from the grating. How many lines per mm does this unknown diffraction grating have? (Answer in three sig figs). How many bright fringes can be observed on the screen? (Answer in integer). Please write clearly and legibly!
The light shining on a diffraction grating has a wavelength of 485 nm (in vacuum). The grating produces a second-order bright fringe whose position is defined by an angle of 8.09°. How many lines per centimeter does the grating have?
The light shining on a diffraction grating has a wavelength of 495 nm (in vacuum). The grating produces a second-order bright fringe whose position is defined by an angle of 9.34. How many lines per centimeter does the grating have?
The light shining on a diffraction grating has a wavelength of 481 nm (in vacuum). The grating produces a second-order bright fringe whose position is defined by an angle of 8.59°. How many lines per centimeter does the grating have?
QUESTION 7 Light of 430 nm passing through a diffraction grating with a separation, d=1.5 x 10-6 m creates an interference pattern on a screen 2.3 m away. What is the maximum number of bright fringes possible to see on the screen? A. Three OB. Seven C. Four O D. Six O E. Five QUESTIONS Light passing through a diffraction grating with a separation, d = 1.8 x 10m creates an interference pattern on a screen 1.2 m away. If...
1. Monochromatic blue light of wavelength 440-nm passes through a 3300 lines/cm diffraction grating and the interference pattern is observed on a screen. (a) Determine the interference angle for the 2nd order bright fringe. (5 points) (b) If a screen is 0.75-m away, how far (in cm) is the 2nd order bright fringe from the center? Show all steps. [3 points) (c) Sketch the path taken by this light to reach the center, the 1st and 2nd order bright fringes....
1. Monochromatic blue light of wavelength 440-nm passes through a 3300 lines/cm diffraction grating and the interference pattern is observed on a screen. (a) Determine the interference angle for the 2nd order bright fringe. 15 points) (b) If a screen is 0.75-m away, how far (in cm) is the 2nd order bright fringe from the center? Show all steps. [3 points) (c) Sketch the path taken by this light to reach the center, the 1st and 2nd order bright fringes....