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प्रश्न
Answer the following.
What is light?
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उत्तर
Light is a form of Energy i.e. The external physical cause that affects our eye to produce the sensation of vision.
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संबंधित प्रश्न
Fill in the blank.
The sun is a ............... source of light.
Fill in the blank
A medium through which light cannot pass is called the ....................
Fill in the blank.
Moon is a .................. body.
Answer the following.
Write down five man-made sources of light.
When a ______ object comes in the way of light, light passes ______ it.
Sunlight is a blend of______ colors
In going from a rarer to denser medium, the ray of light bends ______.
The angle of deviation of light ray in a prism depends on the angle of ______.
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?
