Explain what is meant by 4th dimension?
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What is thermistor used for?
What is the second law of thermodynamics?
Why current is denot with I ?
What is the wavelength of sound in air?
Explain about Vacuum Pump?
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 a positron?
Explain the Principle of Calorimetry ?
What is meant by energy spectrum of a black body? : quantum physics
How can it be proved that the window glass id colored ?
When are intermolecular forces the strongest?
Giraffe in Arabic means "the highest of all." The height of a giraffe is an average of 5 m, its mass is about 800 kg and hooves is an area of approximately 625 cm2. Using a straw from a material nedeformabil a giraffe trying to drink water from a lake, not to condescend. What is the ratio of the minimum pressure to be applied giraffe, mouth, at the end paiului to drink water and pressure of giraffe on the ground. The density of water. g = 10 m/s2