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Two nearly equal wavelengths of light are incident on an N-slit grating. The two wavelengths are not resolvable. When N is increased they become resolvable. This is because:
A. more light gets through the grating
B. the lines get more intense
C. the entire pattern spreads out
D. there are more orders present
E. the lines become more narrow
Two nearly equal wavelengths of light are incident on an N-slit grating. The two wavelengths are not resolvable. When N is increased they become resolvable. This is because:
A. more light gets through the grating
B. the lines get more intense
C. the entire pattern spreads out
D. there are more orders present
E. the lines become more narrow
E. the lines become more narrow