When light passes from air to water, what percentage of its original value does its wavelength change to?.

Answer:

The answer is thus, it is clear that when light passes form air to water, its wavelength decreases to 0.750 times its original value.

Explanation:

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It is evident that light's wavelength drops to 0.750 times its original amount when it travels from air to water.

Wavelength is the distance between the equivalent points of two successive waves. When two or particles are referred to be "corresponding points," it means that they are both at the same phase and have completed exactly the same portions of their vibration. Typically, the wavelength of transverse waves—those whose points advance at right angles to one another—is measured from crest to crest or from groove to trough, for longitudinal waves—those whose points advance in the same direction—the wavelength is measured from compaction to compaction or from mass to rarefaction.

A wave train's velocity (v) in a material is equal to its frequency (f), hence the formula for wavelength is v/f. Wavelength is usually represented by the Greek symbol lambda (λ).

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This is my physics homework

Hello people ~
In a region of constant potential
(a) the electric field is uniform.
(b) the electric field is zero.
(c) there can be no charge inside the region.
(d) both (b) and (c) are correct.
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