Diffraction Grating №1 Has Half the Lines/cm That Diffraction Grating

question 68

Multiple Choice

Diffraction grating №1 has half the lines/cm that diffraction grating №2 does.When used with a certain wavelength of light,both gratings give first-order maxima.Which of the following statements is true for the same wavelength of light.

• A)Both gratings must also give second-order maxima.
• B)Grating №1 must give a second-order maximum.
• C)Grating №2 must give a second-order maximum.
• D)It is possible that neither grating gives a second-order maximum.

---

Definitions:

Average Time

The mean time taken for a process or event, calculated by summing the total times recorded and dividing by the number of events.

Arrival Rate

In operations, it refers to the frequency at which tasks, customers, or entities arrive at a system or facility, typically measured in units per time period.