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$Physics: Refractive Index and Light Rays$

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Physics: Refractive Index and Light Rays

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Questions and Answers

What physical quantity can refractive index be linked to?

Pressure

Density

Temperature

Speed of light (correct)

In which medium does light travel fastest?

Vacuum (correct)

Glass

Water

Air

How is the refractive index defined in terms of the speed of light in different media?

$\frac{v_1}{v_2}$ (correct)

$\frac{v_2}{v_1}$

$v_1 - v_2$

$v_1 + v_2$

Which medium has a refractive index closer to that of vacuum?

Air Signup and view all the answers

What does the refractive index ratio symbol n21 represent?

Refractive index of medium 2 with respect to medium 1 Signup and view all the answers

What would happen to the refractive index if the speed of light in medium 2 decreased?

It would increase Signup and view all the answers

How is the ability of a medium to refract light expressed?

Refractive index Signup and view all the answers

What does optical density refer to?

Ability to refract light Signup and view all the answers

In which type of medium does light travel faster?

Rarer medium Signup and view all the answers

What is the relationship between refractive index and optical density?

Directly proportional Signup and view all the answers

Which type of medium bends light towards the normal?

Optically denser medium Signup and view all the answers

What property distinguishes an optically denser medium?

Larger refractive index Signup and view all the answers

What is the equation for the refractive index of medium 1 with respect to medium 2?

n21 = v1/v2 Signup and view all the answers

What does the absolute refractive index of a medium represent?

The ratio of the speed of light in air to the speed of light in the medium Signup and view all the answers

What is the refractive index of water based on the information provided?

1.33 Signup and view all the answers

How is the refractive index of medium nm defined?

nm = c/v Signup and view all the answers

Which equation represents the refractive index of medium 2 with respect to vacuum?

$n_2 = v/c$ Signup and view all the answers

What does the refractive index of crown glass represent?

$n_g = 1.52$ Signup and view all the answers