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प्रश्न
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
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उत्तर
A shadow is formed when the path of light is obstructed by an object
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संबंधित प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
Select the correct alternative.
The natural source of light is
Can a transparent medium form an image? Explain your answer.
Fill in the blank
Light consists of .............. colours.
Write true or false
The stars have no light.
Answer the following.
Write down five man-made sources of light.
Answer the following.
Distinguish between transparent, translucent, and opaque objects.
Light travels only in a______ It is because of this property that______ are formed.
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
