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Explain the Light ?
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Answer / guest
It is the cause of the physical sensation of vision. A body
which emits light by itself is known as luminous body e.g.
visible when illuminated by light from other sources is
called non-luminous body e.g. chair, table etc.
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Answer / guest
light is energy and light is all around . the only light
the human eye can detect is between 450nm and around 740nm.
because light is energy it is also heat. the real question
is what is darkness? we know that absolute darkness can not
be obtained only the absence of visible light.
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State the laws of thermodynamics.
I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.
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