498,445 views
27 votes
27 votes
A diffraction grating is 1.50 cm wide and contains 2000 lines. When used with light of a certain wavelength, a third-order maximum is formed at an angle of 20.0°. What is the wavelength (in nm)?

User Ashok Kumar
by
2.9k points

1 Answer

8 votes
8 votes

Answer:

because of the gravity of the earth

User Lbrahim
by
2.9k points