A Light Spectrum Is Formed on a Screen Using a Diffraction

question 73

Multiple Choice

A light spectrum is formed on a screen using a diffraction grating.The entire apparatus (source, grating and screen) is now immersed in a liquid of index 1.33.As a result, the pattern on the screen:

• A)remains the same
• B)spreads out
• C)crowds together
• D)becomes reversed, with the previously blue end becoming red
• E)disappears because the index isn't an integer

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Definitions:

Colour-Blind

The inability to perceive differences between some of the colors that others can distinguish.

Vision

The ability to see or the faculty of sight; it can also refer to the capacity to envisage future developments and work towards them.

Information Processing

Involves the analysis and manipulation of incoming information by the brain, similar to how computers handle data.

Sensation

The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment, giving rise to our experiences of sight, sound, taste, touch, and smell.