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Science Worksheet - Light: Q1: Choose The Correct Option

This science worksheet tests students on concepts related to light and vision. It contains multiple choice questions about the parts of the eye, vitamins important for vision, color dispersion, reflection, and the speed at which images fade from the retina. There are also short answer questions asking students to identify anatomical structures like the macula and fovea, define terms like yellow spot and multiple reflection, and give examples of regular and diffused reflection. The worksheet covers topics including the eye, light, color, reflection, refraction, and common vision problems.

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Sarika Ahuja
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394 views2 pages

Science Worksheet - Light: Q1: Choose The Correct Option

This science worksheet tests students on concepts related to light and vision. It contains multiple choice questions about the parts of the eye, vitamins important for vision, color dispersion, reflection, and the speed at which images fade from the retina. There are also short answer questions asking students to identify anatomical structures like the macula and fovea, define terms like yellow spot and multiple reflection, and give examples of regular and diffused reflection. The worksheet covers topics including the eye, light, color, reflection, refraction, and common vision problems.

Uploaded by

Sarika Ahuja
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Science Worksheet – Light

Name: Grade: VIII - Date: .

Q1: Choose the correct option:


1) Part of Eye which lack photoreceptors
a) Retina b) Blind Spot c) Pupil d) Cornea
2) Vitamin required for proper functioning of eyes
a) Vitamin A b) Vitamin B c) Vitamin C d) Vitamin D
3) This colour has the highest dispersion of light
a) Blue b) Violet c) Red d) Yellow
4) Bouncing back of light in the same medium is called
a) Dispersion b) Accommodation c) Deflection d) Reflection
5) For what fraction of a second does any object we see, leaves its impression on our
retina
a) 1/6th b) 1/12th c) 1/16th d) 1/18th
6) One should avoid wearing contact lenses for more than hours at a stretch
a) 2 Hours b) 4 Hours c) 6 Hours d) 12 Hours
Q2: Answer in one word:
1) A perpendicular to the reflecting surface at the point of incidence. .
2) The muscles which hold the eye lens in the human eye ball. .
3) Retina contains cells which perceive colours. .
4) Light is made up of 7 colours .
5) Image formed by plain mirror is always inverted .
Q3: Fill in the Blanks:
1) Small Area in the centre of Retina from where vision is maximum .
2) Angle of incidence is always to the angle of reflection.
3) Band of 7 colours that constitute white light is known as .
4) Travelling of light in a straight line is called .
5) Defect makes it difficult to read vertical and horizontal lines.
6) Inability to perceive distant objects is .
7) helps us to see things without being seen.
Q4: State True or False:
1) Colour blindness is usually hereditary .
2) In cataract, human eye lens become crystal clear .
3) Macula contains minimum number of cones for vision .
4) Aqueous humour is a fluid between lens and retina .
5) Human eye lens is a convex lens .

1
Q5: Short Question answer:
1) State the laws of reflection.

2) Define yellow spot.

3) What do you mean by multiple reflection?

4) Give two examples of regular reflection.

5) Give two examples of diffused reflection.

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