Question

1.state Ohm's law.
2. what is reflective index.
3. State Snell's law. ​

Answer 1

Answer:

1. Ohm's Law states that the current flowing in a circuit is directly proportional to the applied potential difference and inversely proportional to the resistance in the circuit. In other words by doubling the voltage across a circuit the current will also double.

2. Refractive index, also called index of refraction, measure of the bending of a ray of light when passing from one medium into another. ... Refractive index is also equal to the velocity of light c of a given wavelength in empty space divided by its velocity v in a substance, or n = c/v.

3. State Snell's law of refraction of light. ... Statement: It states that “The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for a given pair of media and given wavelength of light.” The constant in law is called refractive index and denoted by the letter 'n'.

Explanation:

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Answer 2

1. State Ohm' law.

Ans => Ohm's law:- This law states that the current flowing through a conductor is directly proportional to the potential difference across the conductor. I ∝ V.

2. What is reflective index.

Ans => Refractive Index (Index of Refraction) is a value calculated from the ratio of the speed of light in a vacuum to that in a second medium of greater density. The refractive index variable is most commonly symbolized by the letter n or n' in descriptive text and mathematical equations.

State Snell's law.

Ans => Snell's law states that the ratio of the sine of angle of incidence in the first medium to the sine of angle of refraction in the second medium is a constant for a given pair of media and for a given wavelength of light. This constant is called refractive index.

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