Making rainbows — Question Bank (Cambridge) — Cambridge IGCSE Biology 0610 Revision Notes & Topical Questions

Cambridge Lower Secondary Stage 8

Question 1
Paper Ref: 5129/12_Summer_2023_Q35

A ray of light is incident on a glass block at an angle of 20° to the surface of the block, as shown.
normal
incident ray reflected ray
glass block
refracted ray
Some light is reflected and some light is refracted.
Which statement is possible?
A The angle of reflection is 20°.
B_ The angle of reflection is 80°.
C_ The angle of refraction is 39°.
D
The angle of refraction is 75°.

Options:
A
B
C
D
Correct Key: C

Question 2
Paper Ref: 5129/12_Summer_2026_Q35

The diagram shows a ray of red light passing through a prism.
The dashed lines show the normals to the glass surfaces at the points where the light ray enters
and leaves the glass prism.
Which two angles are angles of refraction?
A gqandy B randy C sandy D sandz

Options:
A
B
C
D
Correct Key: C

Question 3
Paper Ref: 5129/11_Summer_2023_Q34

The diagram shows light incident on a glass block.
Some of the light is reflected and some is refracted.
Which two rays are refracted?
A PandQ B PandR C QandR D QandS

Options:
A
B
C
D
Correct Key: D

Question 4
Paper Ref: 5129/11_Winter_2024_Q35

The diagram shows a ray of light S incident on a block of glass.
WwW
block of glass
T
Which rays are refracted rays?
A TandVv B UandvV C UandW D VandW

Options:
A
B
C
D
Correct Key: C

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