Light Is Incident on a Double-Slit

question 35

Multiple Choice

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 smallest unit of sound in a language that can distinguish one word from another in the language.

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The smallest grammatical unit in a language, unable to be further divided without altering or losing its meaning.

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