Consider a two-slit interference experiment like the one shown in figure Q3.7b. The distance between adjacent bright spots in the interference pattern on the screen ,

-The wavelength of the light increases.
A) increases
B) decreases
C) remains the same

Question

Consider a two-slit interference experiment like the one shown in figure Q3.7b. The distance between adjacent bright spots in the interference pattern on the screen ,
 
-The wavelength of the light increases.
A) increases 
B) decreases 
C) remains the same

Quizplus · Accepted Answer

When the wavelength of light increases, it means the light is shifting towards the red end of the spectrum, which corresponds to an increase in wavelength.

Consider a Two-Slit Interference Experiment Like the One Shown in Figure