Question

The absolute refractive index _____​

Answer 1

Answer:

YOUR ANSWER IS OPTION (D)

Explanation:

BCOZ IT IS DIMENSION LESS OR IT HAS NO UNITS

Answer 2

Answer:

The correct answer is Option(d) has no unit

Explanation:

The absolute refraction index has no unit .

The absolute refractive index is defined as the ratio of light's speed in a vacuum to light's speed in the given medium.

• It is never less than 1.
• A medium's refractive index is the ratio of the speed of light in vacuum to the speed of light in the medium. As a result, it has no units.
• It is denoted as "μ".
• speed is expressed in meter/second or "m/s".
• μ = speed of light in vacuum/speed of light in the medium
•           = (m/s) / (m/s) = 1
• ⇒ this implies μ is without any unit.

There is no standard unit for refractive index. Because a refractive index of a medium is the ratio of the speed of light in a vacuum to the speed of light within the medium, and ratios have no unit.

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