Light Class 7 Worksheet Science Chapter 13

Section A: Multiple Choice Questions (MCQs)


Q.1. Which of the following is not a property of light?
(a) It travels in a straight line
(b) It can be reflected
(c) It can be refracted
(d) It can be compressed

Q.2. What type of mirror is used in cars to provide a wider field of view?
(a) Concave mirror
(b) Convex mirror
(c) Plane mirror
(d) None of the above

Q.3. Which of the following lenses is also known as a converging lens?
(a) Concave lens
(b) Convex lens
(c) Both a and b
(d) None of the above

Q.4. Sir Isaac Newton proved that white light is made up of _______.
(a) 5 colours
(b) 6 colours
(c) 7 colours
(d) 8 colours

Q.5. What is the name of the point where light rays converge after passing through a convex lens?
(a) Focal point
(b) Centre of curvature
(c) Principal axis
(d) Vertex

Section B: Short Questions


Q.1. What is rectilinear propagation of light?
Q.2. Explain the difference between a real image and a virtual image.
Q.3. How does a concave mirror differ from a convex mirror?
Q.4. What are the primary colours of light?
Q.5. How does a Newton's disc help in understanding the concept of colours.

Section C: Fill in the blanks


Q.1. Light travels in a ___________ line.
Q.2. The shadow of an object is formed when light is ___________ by it.
Q.3. The angle of incidence is ___________ to the angle of reflection.
Q.4. A mirror that curves inward is called a ___________ mirror.
Q.5. A lens that curves inward is called a ___________ lens.

Section D: Match the column
Light Class 7 Worksheet Science Chapter 13

Section E: True/False?


Q.1. Light always travels in a straight line. (True/False)
Q.2. Shadows are always the same size as the object. (True/False)
Q.3. A convex mirror is used as a side-view mirror in a car. (True/False)
Q.4. A concave lens is used to correct nearsightedness. (True/False)
Q.5. The colors of the spectrum are red, orange, yellow, green, blue, and purple. (True/False)

You can access the solutions to this worksheet here.

The document Light Class 7 Worksheet Science Chapter 13 is a part of the Class 7 Course Class 7 Oxford Science: Chapter Notes, Worksheets & Tests.
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FAQs on Light Class 7 Worksheet Science Chapter 13

1. What are the different types of light sources?
Ans. There are two main types of light sources: natural and artificial. Natural light sources include the sun, stars, and lightning, while artificial light sources are created by humans, such as bulbs, LEDs, and candles.
2. How does light travel?
Ans. Light travels in straight lines as rays. It can also change direction when it encounters different mediums, such as when it passes through water or glass, which is known as refraction.
3. What is reflection of light?
Ans. Reflection of light is the bouncing back of light rays when they hit a surface. This phenomenon allows us to see objects, as the light reflects off them and into our eyes.
4. What is the difference between transparent, translucent, and opaque materials?
Ans. Transparent materials allow light to pass through completely, enabling clear visibility (like glass). Translucent materials allow some light to pass through but scatter it, causing blurred images (like frosted glass). Opaque materials do not allow any light to pass through, making them completely non-transparent (like wood or metal).
5. What is the significance of shadows in understanding light?
Ans. Shadows are formed when an opaque object blocks the path of light. Studying shadows helps us understand the direction and intensity of light. The size and shape of shadows can also provide information about the position of the light source.
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