What is the effeciency of solar cell (Current year)
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what is Gauge?
What is a Diamond ?
explanation about cdma and is working process
What percentage of mind Albert Einstein used ?
The system shown in the figure is in equilibrium. The metal spheres are identical and each has a mass of 2 kg. The surface areas of the pistons are equal and 100 square centimeters each. The density of water is 1 g per cubic centimeter. Assuming that the frictions and masses of the pistons are negligible, what is the mass of G? ( g = 10N/kg )
what is the meltng point of copper?.
Can a solid and liquid together be possible?
a thing that will break easily?
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?
Explain virtual image?
Explain the cause of brownian motion?
Explain heat treatment. Why and how is it done?