Laws of Refraction

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Assessment

Light: Laws of Refraction, study of Refraction of Light and Its laws, Incident ray, Refracted ray and Point of Refraction, Snell's Law, Denser medium, Rarer medium, Refractive Index, Critical angle, Angle of Deviation, etc.

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Physics

Grade10

10 Plays

100 Participants

Worksheet

10 Qs

1.
Multiple Choice
1 pts•30 s
What is the first law of refraction?
Answer choices
The incident ray and refracted ray are in different planes
The incident ray, refracted ray, and normal lie in the same plane
The angle of incidence equals the angle of refraction
The refracted ray bends away from the normal
2.
Multiple Choice
1 pts•30 s
Identify the law that relates the angle of incidence and angle of refraction to the refractive indices of two media.
Answer choices
Newton’s law
Snell’s law
Law of reflection
Pascal’s law
3.
Multiple Choice
1 pts•30 s
Which statement describes Snell’s law mathematically?
Answer choices
n₁ sin θ₁ = n₂ sin θ₂
n₁ cos θ₁ = n₂ cos θ₂
n₁ tan θ₁ = n₂ tan θ₂
n₁ sin θ₁ = n₂ cos θ₂
4.
Multiple Choice
1 pts•30 s
Name the quantity defined as the ratio of the speed of light in a vacuum to the speed of light in a medium.
Answer choices
Refractive index
Critical angle
Optical density
Angle of deviation
5.
Multiple Choice
1 pts•30 s
Determine the behavior of light when it travels from a denser medium to a rarer medium.
Answer choices
Bends towards the normal
Bends away from the normal
Travels in a straight line
Reflects completely
6.
Multiple Choice
1 pts•30 s
What happens to light when it travels from air (n = 1) to glass (n = 1.5)?
Answer choices
It speeds up
It slows down and bends towards the normal
It bends away from the normal
It does not bend
7.
Multiple Choice
1 pts•30 s
Specify the angle of incidence at which the refracted ray travels along the boundary between two media.
Answer choices
Angle of reflection
Critical angle
Angle of deviation
Normal angle
8.
Multiple Choice
1 pts•30 s
Recognize the phenomenon that occurs when the angle of incidence exceeds the critical angle.
Answer choices
Refraction
Total internal reflection
Diffraction
Dispersion
9.
Multiple Choice
1 pts•30 s
Which condition is necessary for total internal reflection to occur?
Answer choices
Light travels from a rarer to a denser medium
Light travels from a denser to a rarer medium
Angle of incidence is less than the critical angle
Both media have the same refractive index
10.
Multiple Choice
1 pts•30 s
Clarify why a glass prism can split white light into a spectrum of colors.
Answer choices
Due to reflection
Due to different refractive indices for different wavelengths
Due to absorption of light
Due to polarization of light