P3.1 & P3.2

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Preguntas del test (11)

1Name the following part of the eye: The hole that allows light to enter the eye.
1. APupil
2. BIris
3. CCornea
4. DRetina
2Name the following part of the eye: The coloured part around the pupil.
1. AEye lens
2. BIris
3. CCornea
4. DOptic nerve
3What is the near point for someone with normal eyesight?
1. A10cm
2. B20cm
3. C17cm
4. D25cm
4Which type of lens bends rays of light towards one another, bring them to a point?
1. AConverging
2. BDiverging
5Being short-sighted means that a person can only focus on distant objects not close ones.
1. AVerdadero
2. BFalso
6Which ways can eye problems be solved?
1. AWearing glasses
2. BWearing goggles
3. CWearing contact lenses
4. DEye drops
7Which of the following is the lens equation:
1. A1/f = 1 + v
2. B1/f = 1/u + 1/v
3. Cf = 1/v + 1/f
8When drawing a reflection diagram, what angle is the 'normal' line drawn at?
1. A180 degrees
2. B45 degrees
3. C90 degrees
9What is refraction?
1. AWhen light bends toward itself
2. BWhen a light ray changes speed when travelling through different mediums
3. CWhen light speeds up in different materials
10The law of refraction is called:
1. ASnell's Law
2. BBoyle's Law
3. CDarwin's Theory

Descripción: Test sobre P3.1 & P3.2, creado por alicepalmer el 02/04/2015.
Autor: alicepalmer
Idioma: English
Visitas: 60
Etiquetas: physics eyes radiation sight problems lenses critical angle reflection refraction lens equation
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