explain the proper definition of light?
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What is a synthesizer?
Is a sewing needle magnetic or non magnetic?
Why does bluing make things whiter ?
Explain what is the translucent?
What is the normal temperature of the human body ?
What is meant by energy spectrum of a black body? : quantum physics
What is a crest?
Explain the Heat Vaporisation?
Two bulbs, one of 600W and the other of 100W having same voltage rating are connected in series across the supply in a room.Which bulb will glow brighter? If one of the bulb is switched off, what will be effect on illumination?
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 difference between intrinsic and extrinsic semiconductors?
What the postulates of planck’s quantum theory? : quantum physics