2. A bullet is fired at a certain angle with the horizontal, it's path will be ?
3. The maximum velocity required for a rocket to overcome earth's gravity ?
4. The surface that reflects all the colors in the spectrum will be seen as ?
5. Electrostatic precipitator is used to control ?
6. When a clock is taken to top of a mountain, it will go ?
7. Boiling of Water is an example for ?
8. A long jumper runs faster before taking a leap in order to gain ?
9. The force of attraction between like molecules is called ?
10. Saponification is associated with the forming of ?
11. Which instrument is used to measure the potential difference ?
12. Water drops are spherical because of ?
13. The spring balance works on the Principle of ?
14. One horse power is equal to ?
15. A person climbing a hill bends forward in order to ?
16. Which instrument is used for Photographing the Sun ?
17. Which instrument is used measure depth of Ocean ?
18. Maxwell's right hand rule is also known as ?
19. Which types of waves used in night vision apparatus ?
20. Lambert's Law is related to ?
21. Which organism can travel in accordance with the magnetic field of the earth ?
22. The escape velocity from the earth's surface ?
23. Lightening is caused due to ?
24. Which instrument is used compare luminous intensity of the source of light ?
25. Which instrument is used in submarine to see the objects above sea level ?
26. What is the freezing point of water on the Fahrenheit Scale ?
27. Speed of light was first accurately measured by ?
28. Which type of glass can cut off ultra violet rays ?
29. The astronomical unit of distance ?
30. The moment of momentum is called ?
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