Multiple Choice
If we assume normal incidence,the minimum thickness of a soap film (n = 1.33) in air that gives constructive interference when viewed by reflected light of wavelength 400 nm is
A) 225 nm
B) 200 nm
C) 100 nm
D) 75 nm
E) 57 nm
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q78: For a grating with d =
Q79: Two waves,one with amplitude A and
Q80: Which of two diffraction gratings,one with N<sub>1</sub>
Q81: For a given light source and collimator
Q82: If a thin soap film (n
Q84: A 3.5-cm-long microscope glass slide has
Q85: For us to see interference phenomena in
Q86: At normal incidence,the minimum thickness of a
Q87: You illuminate a slit 0.20 mm wide
Q88: You dip a wire loop into soapy