Light is incident on a double-slit. The fourth bright band has an angular distance of 7.0° from the central maximum. What is the distance between the slits (in μm)? (Assume the frequency of the light is 5.4 × 1014 Hz.)
A)27
B)21
C)24
D)18
E)14

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The Answer of Light is incident on a double-slit. The fourth bright band has an angular distance of 7.0° from the central maximum. What is the distance between the slits (in μm)? (Assume the frequency of the light is 5.4 × 1014 Hz.)
A)27
B)21
C)24
D)18
E)14

Light Is Incident on a Double-Slit