When a Parallel Beam of Light Is Diffracted at a Single

question 26

Multiple Choice

When a parallel beam of light is diffracted at a single slit,

• A)the shadow is always sharp.
• B)the narrower the slit,the narrower the central diffraction maximum.
• C)the narrower the slit,the wider the central diffraction maximum.
• D)the width of the central diffraction maximum is independent of the width of the slit.
• E)None of these is correct.