Why a small stone and a big stone reach at the same time when they are made to fall through the same heights ?
4 7890It is easier to knock a man down when he is standing on one leg than when he stands on two legs. Why ?
1 3133Why does a water pump becomes ineffective, when water ha to be raised through a height grater than 30 ft. ?
3 3975
What is the sun?
What is fusion?
What is the difference between a canyon, gorge, and valley?
What is eclipses?
What is silt in geology?
Explain what makes mountains appear purple?
Explain the name for the physical constant with a value of 6.62 x 10-27 erg seconds?
What is sonar ( sound navigation and ranging )?
A cricket ball and a football are dropped simultaneously from the top of qutub minar.
Explain what time period can carbon-14 dates have?
Explain the difference between a canyon, gorge, and valley?
If a dog rolled around on a carpet and gets statically and a flea jumps on it will the flea get electrocuted?
What path does an asteroid take?
How is the index of refraction computed?
Explain the difference between a semi-precious and a precious stone?