| 1 |
Ponds looks hallow because of
|
Reflection <br>
Refraction <br>
Diffusion <br>
Dispersion <br>
|
| 2 |
Diffusion of light in atmosphere takes place due to:
|
Carbondioxide <br>
Dust particles<br>
Helium <br>
Water vapor <br>
|
| 3 |
Which colour suffers minimum deviation when withe light undergoes dispersion?
|
Green<br>
Red <br>
Violet <br>
Yellow <br>
|
| 4 |
The filed which Einstein won Noble prize
|
Biology <br>
Mathematics <br>
Physics <br>
Education <br>
|
| 5 |
Which of the following is star
|
Sun <br>
Mercury <br>
Pluto <br>
Venus <br>
|
| 6 |
Shooting star is another name for
|
Comet <br>
Meteor <br>
Solar flare <br>
Nebulae <br>
|
| 7 |
Galaxies are usually classified on the basis of there
|
Mass <br>
Size <br>
Shape <br>
Any of these <br>
|
| 8 |
Electromagnets are used in
|
Electric bells <br>
Telephones <br>
Dynamos <br>
all of above<br>
|
| 9 |
Magnetite is a/an
|
Neutral magnet <br>
Electromagnet <br>
U-shaped magnet <br>
None of these <br>
|
| 10 |
Choose the source of energy which different form others
|
Bio gas <br>
Plants <br>
Vegetable refuse <br>
Crude oil <br>
|
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