4E Pure Physics_Quiz on Light Reflection, Refraction, Total internal reflection(Publisher's Test Qn)

Quiz by Jessica Lew

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Q 1/12
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How would the word "Light” appear in a mirror?
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12 questions

Show answers

Q1
How would the word "Light” appear in a mirror?
120s
Q2
The diagram shows a lamp placed in front of a mirror. The image of the lamp formed by the mirror is
at X and is virtual
at Y and is virtual.
at X and is real
at Y and is real.
120s
Q3
Which of the following ray diagrams is correct?
120s
Q4
Four students, P, Q,R and S, are standing in front of a plane mirror. How many students is Q able to see in the mirror?
three
none
two
one
120s
Q5
When light passes from air into glass,
its wavelength decreases because its speed decreases.
its wavelength increases because its speed increases.
its frequency decreases because its speed decreases
its frequency increases because its speed increases.
120s
Q6
A ray of light is incident on one side of a rectangular glass block with a refractive index of 1.5. The angle of refraction in the glass is 40°. Which diagram correctly shows a possible path of the ray?
120s
Q7
A swimming pool is lit by a lamp at the bottom of the pool. The directions of three rays from the lamp are shown. Which of the marked angles is the critical angle for the light?
B
C
A
D
120s
Q8
What is the refractive index of a medium?
The ratio of the speed of light in air to the speed of light in the medium
The ratio of the speed of light in the medium to the speed of light in vacuum
The ratio of the speed of light in vacuum to the speed of light in the medium
The ratio of the speed of light in the medium to the speed of light in air
120s
Q9
Ref to image
1,2,3
3,1,2
2,3,1
1,3,2
120s
Q10
Ref to image
1,3,2
1,2,3
3,2,1
3,1,2
120s
Q11
Ref to image
48.6
41.8
22.6
30.0
120s
Q12
Ref to image
Refractive index of medium 2 is lower than the refractive index of 1
Medium 1 has the lowest refractive index
Medium 2 has the highest refractive index
The refractive index of medium 1 is lower than the refractive index of medium 3
120s