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CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
- What are the different sources from which we get EM waves in day to da...
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- What is displacement current?
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- What is the achievement of H. Hertz regarding EM waves?
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- What was Sir Jagdish Chandra Bose contribution towards EM waves?
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- For what work was Nobel prize in 1909 in Physics awarded to G. Marconi...
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- State few laws relating electric and magnetic fields.
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- What are EM waves?
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- What are the direction of electric field, magnetic field and direction...
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- What is the source of EM waves?
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- Can we produce a pure electric or magnetic waves in space? Why?
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- How are EM waves produced?
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- Does an ordinary electric lamp emit EM waves?
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- State the mathematical expression for electric field and magnetic fiel...
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- State characteristics of an EM wave.
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- Write the formula for velocity of EM waves in vacuum and in given medi...
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- Write the formula for intensity of a wave in EM waves.
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- Calculate the frequency in MHz of a radio wave of wavelength 250 m. Re...
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- Calculate the wavelength in nm of an X-ray wave of frequency 2 xx 10^1...
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- The speed of light is 3 xx 10^8m//sec. Calculate the frequency of red ...
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- Calculate the wavelength of a microwave of frequency 8 GHz
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