White Light Is Spread Out into Spectral Hues by a Diffraction

question 65

Multiple Choice

White light is spread out into spectral hues by a diffraction grating.If the grating has 1 000 lines per cm,at what angle will red light ( $\lambda$ = 640 nm) appear in first order?

• A)14.7\(\degree\)
• B)7.35\(\degree\)
• C)17.7\(\degree\)
• D)3.67\(\degree\)
• E)1.84\(\degree\)

Recognize the functions and roles of various channel members, including retailers, wholesalers, and agents.

Comprehend the significance of the distribution process in marketing.

Grasp how products and services are moved from the producer to the consumer.

Differentiate between transactional, logistical, and facilitating functions of intermediaries.