@Raviz Bro... Do you think these are not essential? I would say might be you are not in this stage to know the value coz your in outskirt, when you ll be inside surely you know the value of words.... see birds eye view these Questions are not worthy

5. What is the difference between dial up and broadband Internet connections?

6. When a lighted matchstick is shown before another light source, the shadow of the matchstick is formed on a screen but not the shadow of the flame. Why is it so?

7. Why are fishes not able to survive in distilled water?

8. Why do eggs become hard on boiling?

9. What is the powder like material found on the wings of butterflies? What is its use?

10. Why do our eyelashes and eyebrows never continue to gow unlike hair on our head?

11. Jackfruit is the only fruit that grows also from the tree trunk. What makes this possible?

12. How does one control the movement of hot air balloons?

13. How does remote control in TV work?

14. Why is the power of a loudspeaker expressed in watts?

15. What makes the earth rotate?

16. What is the difference between a sodium vapour lamp, Which gives out a yellowish colour illumination, and a mercury vapour lamp that gives out a white colour illumination?

17. Both Infrared and Microwave bands are invisible to the human eye. Then how are IR and microwave images from remote sensing satellites printed? How do they substitute the wavelenghts?

18. How does lightning affect TVs?

19. Soaps come in different colours. But why is soap's lather always white in colour?

20. Is the mosquito a carrier of AIDS causing virus?

21. Does the change in mother's food affect the baby?

22. What is Radio Therapy?

23. Since clouds contain tiny water droplets, why are rainbows not permanently present?

24. How does the solar wind affect Earth?

25. How do icebergs form?

26. Why is fire hot?

27. How is sex determined in dioecious plants?

28. How does the camel walk in the desert easily?

29. How can we test the purity of honey?

30. What is meant by ozonised mineral water?

31. Why do lips become dry during winter?

32. Why do houseflies rub their front legs together?

33. How does a lightning arrestor work?

34. Like ordinary paints do metallic paints also fade?

35. What is the difference between tv screen and computer monitor?


If you read dear so it doesn't mean that every body knows..... T

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