Light And Sight
6 Questions
| Attempts: 826
This is your topic test for the unit Light and Sight. Good Luck!
Questions and Answers
- 1.
Which of the follow is not a rule about light?
- A.
It travels in straight lines
- B.
It refracts when it passes through prisms
- C.
The angle of incidence is equal to the angle of reflection
- D.
It can pass through opaque objects
Correct Answer
D. It can pass through opaque objects -
- 2.
The primary colours of light are
- A.
Red, green and yellow
- B.
Red, green and blue
- C.
Red, blue and yellow
- D.
Red, green and yellow
Correct Answer
B. Red, green and blue -
- 3.
Look at the following diagram:Which structure helps focus the light on to the retina?
- A.
Lens
- B.
Cornea
- C.
Optic Nerve
- D.
Vitreous Gel
Correct Answer
A. Lens -
- 4.
Lasers are said to produce coherent light. This is because
- A.
The light beams produced move in a longitudinal way
- B.
The light beams produced vibrate more
- C.
The light beams produced have all different wavelengths
- D.
The light beams produced have the same wavelength
Correct Answer
D. The light beams produced have the same wavelength -
- 5.
The ___________ is where the optic nerve connects to the eye, there are no light sensitive cells in this part of the retina.
Correct Answer
blind spot - 6.
The pupil is made of coloured muscle
- A.
True
- B.
False
Correct Answer
B. False -
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Current Version
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Jan 17, 2013Quiz Edited by
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Aug 10, 2010Quiz Created by
Gready
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