When we jump form the boat to the bank why the boat goes
backwards from the bank ?
Why are cloudy nights usually warmer than clear ones?
What is Electromagnet?
What secondary color of light is produced by mixing the primary colors of red and blue?
Explain what is the difference between diffraction and interference?
What large machine, which came on line in the summer of 2000 at the department of energys brookhaven national lab, is the world's highest energy ion collider:
Why does a barometer read higher at Bombay than at Simla ?
Explain the Hygrometers ?
Why is it that the nearer we approach the sun, the colder it becomes ?
what is the relative speed between 2 serial electrons running in same direction along the wire?
Mercury is a better barometric fluid than water because?
Explain the universal law of universal gravitation?
What is dispension of light?