What is the smallest size of plane mirror in which a man can
see his fill image length ?
Explain the Clouds and Rains ?
What percentage of mind Albert Einstein used ?
What is anti - noise?
What is Virtual image ?
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:
For measuring weight of 2cm3 piece of density 4gm/cm3 which spring balance is best suited what is the range and least count how we calculate
Explain what does hull speed mean?
What secondary color of light is produced by mixing the primary colors of red and blue?
What is dispension of light?
Explain what is optical medium?
What is the difference between collector & emitter of trnsistor,even though material used for both same.
Why does the colour of a material look differently in sunlight that than in the electrical-lamp