Diffraction grating #1 has twice the lines/cm that diffraction grating #2 does. When used with a certain wavelength of light, both gratings give first order (m = 1) maxima. Which of the following statements is true for the same wavelength of light
a. Both gratings must also give second (m = 2) order maxima. b. It is possible that neither grating gives a second order maximum.
c. Grating #1 must give a second order maximum.
d. Grating #2 must give a second order maximum.
D
You might also like to view...
The population of the United States is approximately 290,000,000. Write this in scientific notation.
a. 
b. 
c. 
d. 
A soap bubble with air on both sides has an index of refraction of 1.33. What minimum thickness of the wall of this bubble will ensure maximum reflectance of normally incident light having a wavelength of 530 nm?
What will be an ideal response?
A clerk can lift cylindrical packages 1 meter vertically, or can roll them up a 2-meter-long ramp to the same elevation. With the ramp, the applied force required is about
A) half as much. B) the same. C) twice as much. D) four times as much.
The major problem faced by optical astronomers in trying to deduce the structure of the Milky Way Galaxy is that we can see only a small part of it because of the ________
Fill in the blank(s) with correct word