# P3.1 & P3.2

Quiz by alicepalmer, updated more than 1 year ago
 Created by alicepalmer about 6 years ago
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### Description

Quiz on P3.1 & P3.2, created by alicepalmer on 04/02/2015.

## Resource summary

### Question 1

Question
Name the following part of the eye: The hole that allows light to enter the eye.
Answer
• Pupil
• Iris
• Cornea
• Retina

### Question 2

Question
Name the following part of the eye: The coloured part around the pupil.
Answer
• Eye lens
• Iris
• Cornea
• Optic nerve

### Question 3

Question
What is the near point for someone with normal eyesight?
Answer
• 10cm
• 20cm
• 17cm
• 25cm

### Question 4

Question
Which type of lens bends rays of light towards one another, bring them to a point?
Answer
• Converging
• Diverging

### Question 5

Question
Being short-sighted means that a person can only focus on distant objects not close ones.
Answer
• True
• False

### Question 6

Question
Which ways can eye problems be solved?
Answer
• Wearing glasses
• Wearing goggles
• Wearing contact lenses
• Eye drops

### Question 7

Question
Which of the following is the lens equation:
Answer
• 1/f = 1 + v
• 1/f = 1/u + 1/v
• f = 1/v + 1/f

### Question 8

Question
When drawing a reflection diagram, what angle is the 'normal' line drawn at?
Answer
• 180 degrees
• 45 degrees
• 90 degrees

### Question 9

Question
What is refraction?
Answer
• When light bends toward itself
• When a light ray changes speed when travelling through different mediums
• When light speeds up in different materials

### Question 10

Question
The law of refraction is called:
Answer
• Snell's Law
• Boyle's Law
• Darwin's Theory

### Question 11

Question
What does TIR stand for?
Answer
• Total internal refraction
• Total internal reflection
• Total index reflection
• Total index refraction

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