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Byju's Answer
Standard XII
Chemistry
Optical Activity
Fill in the b...
Question
Fill in the blanks:-
1. The ………… is a natural source of light.
2. A ………… is an artificial source of light.
3. While passing through a prism, light splits into ………… colors.
4. The image obtained in a pinhole camera is …………
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Solution
1. Sun
2. Candle
3. Seven
4. Inverted
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Similar questions
Q.
Choose an appropriate word and fill in the blanks.
(a) A ........... is a natural source of light.
(b) A ......... is an artificial source of light.
(c) When light passes through a prism, it gets separated into ....... colours.
(d) The image obtained in the pinhole camera is ......... .
(e) A shadow is formed when an ........... object comes in the way of light.
(f) When a ........... object comes in the way of light, light passes ......... it.
(options : seven, star, through, transparent, opaque, colors, shape, erect, inverted, luminous, candle)
Q.
The splitting of white light into several colors on passing through a glass prism is due to
Q.
White light splits into different colors through a prism and this phenomenon is known as dispersion of light.
Q.
A pinhole camera is a camera such that light from an object simply passes through a tiny hole into a dark box, and an image is projected onto the other side of the box. When a pinhole camera is used to produce an image of a distant object, what are the characteristics of the image?
Q.
Match the beginnings and endings of the sentences:
Beginnings
Endings
1. A pinhole camera is
(a) travelling of light in a straight line.
2. Moon and Venus are
(b) natural source of light.
3. Rectilinear propagation of light is
(c) give out light of their own.
4. Luminous objects
(d) based upon the principle of rectilinear propagation of light.
5. Glow-worm is a
(e) illuminating objects.
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