Diffraction Grating Quiz

What is the wavelength of the laser light used in the diffraction grating problem?

• 840 nanometers

• 540 nanometers

• 640 nanometers

• 740 nanometers

In the diffraction grating equation, what does 'd' represent?

• The wavelength of the light

• The angle of diffraction

• The line separation of the grating

• The order of diffraction

What is the maximum angle used in the diffraction grating calculation for the total number of bright spots?

• 75 degrees

• 60 degrees

• 45 degrees

• 90 degrees

How many bright spots are initially calculated before considering both directions?

• 9

• 7

• 5

• 3

What is the total number of bright spots observed when considering both upward and downward directions?

• 12

• 9

• 10

• 11