Light of certain color contain 2000 waves in the length of 1 mm in air. What will be the wavele

step 1 Okay, the question is light of certain color has 200 waves per millimeter in air. What will be t

Light of certain color contain 2000 waves in the length of 1...

Light of certain color contain 2000 waves in the length of $1 \mathrm{~mm}$ in air. What will be the wavelength of this light in medium of refractive index $1.25$ ?
(A) $1000 \AA$
(B) $2000 \AA$
(C) $3000 \AA$
(D) $4000 \AA$

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Refractive Index and Wavelength Relationship

The refractive index of a medium is a measure of how much the speed of light is reduced inside the medium compared to its speed in a vacuum. When light enters a medium with a refractive index greater than 1, its wavelength decreases by a factor equal to the refractive index, while its frequency remains unchanged. This relationship is crucial in understanding how light behaves when it transitions between media.

Wavelength

Wavelength is the distance over which the wave’s shape repeats, typically measured from one crest to the next. It is a fundamental property of waves that determines characteristics such as color in the case of light and is inversely related to the frequency when the speed of the wave is constant.

Wave Count in a Given Distance

The concept of wave count in a fixed distance relates to how many complete wavelengths fit into that distance. It is calculated by dividing the total distance by the wavelength, which offers a way to determine the wavelength if the number of waves in a known distance is provided.

Please give Ace some feedback