When 450-Nm Light Is Incident Normally on a Certain Double-Slit

question 27

Multiple Choice

When 450-nm light is incident normally on a certain double-slit system the number of interference maxima within the central diffraction maximum is 5.When 900-nm light is incident on the same slit system the number is:

• A)2
• B)3
• C)5
• D)9
• E)10