Post Utme Coal City University 2023 Physics Question 40

Practice objective / multiple choice question 40 from the 2023 Post Utme Coal City University Physics examination.

Post Utme Coal City University 2023 Physics Objective / Multiple Choice
Question 40 POST_UTME_COAL_CITY_UNIVERSITY • 2023 • PHYSICS • objective

A beam of light of wavelength $\lambda$ is incident on a dif\fraction grating with $N$ slits. If the first-order maximum occurs at an angle $\theta$, what is the condition for constructive interference?

Answer Options

Correct Answer A. \( d \sin\( \theta \) = m \lambda \)
B. \( d \sin\( \theta \) = n \lambda \)
C. \( d \sin\( \theta \) = \frac{m \lambda}{2} \)
D. \( d \sin\( \theta \) = \frac{n \lambda}{2} \)
Correct Answer
A
Correct Option:
\( d \sin\( \theta \) = m \lambda \)

About This Question

This is Post Utme Coal City University 2023 Physics Question 40. It is one of the objective questions from the 2023 Post Utme Coal City University Physics examination.

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