A Person with Her Eye Relaxed Looks Through a Diffraction

question 53

Multiple Choice

A person with her eye relaxed looks through a diffraction grating at a distant monochromatic point source of light.The slits of the grating are vertical.She sees:

• A)one point of light
• B)a hazy horizontal strip of light of the same color as the source
• C)a hazy strip of light varying from violet to red
• D)a sequence of horizontal points of light
• E)a sequence of closely spaced vertical lines

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Definitions:

Accumulated Depreciation

The total amount of depreciation expense that has been recorded against an asset over its useful life.

Impairment Loss

An impairment loss occurs when the carrying amount of an asset exceeds its recoverable amount, indicating the asset is not expected to generate future benefits worth its recorded value.

Accumulated Depreciation

The total amount of depreciation expense allocated to an asset since it was put into use.

Fully Depreciated

A condition where a fixed asset has reached the end of its useful life and its book value is reduced to salvage value or zero.