What is the smallest size of plane mirror in which a man can
see his fill image length ?
What is the cause of brownian motion?
The principle of action of points is used in
Explain Solution ?
which wave is related to telecommunication?
Explain the difference between the atomic theory and the kinetic theory?
A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?
Why dies a boat-man push the bank with an oar, when he wants to clear his boat off the bank?
what happens when an object travels in the speed of light hits another object?
why current is denoted by I?
This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:
Explain how does the elevation and air pressure affect the boiling point of water?
What is L.D.R(light dependent resistor)