Light refraction

Light refraction

9th Grade - Professional Development

6 Qs

quiz-placeholder

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Light refraction

Light refraction

Assessment

Quiz

Physics

9th Grade - Professional Development

Practice Problem

Medium

Created by

Mahmoud Elsaeed

Used 15+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

if a light ray falls from medium to another so its wavelength decreases

when the angle of incidence is 60 , so the angle of refraction is …….

equal 60

Less than 60

More than 60

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the refractive index of medium ( X ) is double the refractive index of medium ( Y )

, so the velocity of light in medium ( X) ……….. the velocity of light in medium ( Y )

Doubled

Halved

Remain constant

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

if the light ray passes from medium of refractive index = 1.4 to another medium of refractive index 1.49 ,

so the ratio between the periodic time of such ray in the first medium to that of second medium is …..

Less than 1

More than 1

Equals 1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

if a light ray falls on a glass surface with angle of incidence 60, So a part of it reflects

while the rest refracts , Find the angle between the reflected and the

refracted light ray . " Knowing that the refractive index of glass √3

90

60

120

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

a source of a light ray is put at height “ h” at distance 20 cm from a glass of water of width 10 cm , and depth 17.32 cm , if you notice that the bottom of the glass is shaded “ dark “ , calculate the height of the source .

“ knowing that nw = 1.33 "

22.7 cm

45 cm

10 cm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The graph shows the change in the angle of incidence and the angle of the refraction, when light ray travels between two media.

Then the angle of refraction is.... If the angle between the incident ray and the separating surface is 30.

35.27

19.57

60

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