Explain what is photometry?
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What is Amalgam ?
our breath can produce current?
What is the life of permanent magnet and what type of magnet is used in speakers?
What is astrophysics?
Why we put the time (t) always in x-axis?
What is loudness of sound?
Describe the Working of the Telephone?
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 )
Explain when are intermolecular forces the strongest?
Why is diamond cut to make if brilliant ?
The principle of action of points is used in
When gravity is the only force acting on an object the object is in what?