Some important science Questionnaire.

1. "Optical Phenomenon" in the fringe pattern of CD is

Ans : Interference

2. Celsius and Fahrenheit show the same temperature at

Ans : 40

3. Exchange particle in Quark-Quark Interaction

Ans : Gluon

4. The working of a rockets based on the principle of:

Ans : Conservation of momentum

5. The pollutants which move downward with percolating groundwater are called

Ans : Leachates

6. Hasdo Valley in Chhattisgarh is famous for  ? 

Ans : Coal mines

7. Special Theory of Relative was proposed in

Ans~1905

8. Black hole is an object to be found

Ans :   in the sky

9. IRADIAN is

Ans : 57.3 degree

10. Fraction of volume of ice seen outside when immersed in water?

Ans :   10.5%

11. The disease " bronchitis " is associated with:

Ans :   Lungs

12. Which colour indicate Highest Temperature?

Ans : Dull red

13. Persons sitting in an artificial satellite of the earth have :

Ans :   Zero weight

14. Light Year is -

Ans :   the distance traveled by light in one year

15. Liquefied petroleum gas (LPG) is mainly a mixture of

Ans :   propane and butane

16.The Ozone layer lies in the

Ans :   Stratosphere

17. Most of the light rays inside a tube -light is in the form of

Ans : ultra -violet light

18. Which is the alkalodid that contains in cola drinks?

Ans :   Caffeine

19. The device used for detecting even feeble current:

Ans :   Galvanoscope

20. Anemometer is an instrument used for measuring?

Ans:   Wind speed