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Light travels from glass to water
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
Light travels from glass
(
n
=
1.50
)
(n = 1.50)
(
n
=
1.50
)
to water
(
n
=
1.33
)
(n = 1.33)
(
n
=
1.33
)
. The critical angle at the glass–water interface is closest to (a)
60.0
∘
60.0^{\circ}
60.
0
∘
(b)
62.5
∘
62.5^{\circ}
62.
5
∘
(c)
41.8
∘
41.8^{\circ}
41.
8
∘
(d)
48.8
∘
48.8^{\circ}
48.
8
∘
Related theory
Critical Angle
Total Internal Reflection
Refraction & Snell's Law
Refraction and total internal reflection
Optics
Waves
Light
Total internal reflection and its applications
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