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R G PUBLICATION-ELECTROMAGNETIC WAVES-EXERCISE
- Write about X-rays and how they are used as a dignostic tool in medici...
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- The magnetic field in a plane electromagnetic wave is given by By = 3x...
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- Why are microwave used in Radar?
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- For long distance radio broadeast, we use short wave only. Why?
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- Why satellites are used for long distance TV transmission.
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- State and explain Maxwell's modification of Ampere's circuital law.
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- Draw a diagram of Hertz experiment for producing electromagnetic wave.
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- Explain the term ground wave
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- Explain the term sky wave
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- What is amplitude modulation? Explain with diagram.
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- Calculate the peak value of electric and magnetic field produced by a ...
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- What is demodulation? Why is satellite communication necessary for TV ...
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- What is the source of emission of r-rays.
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- Obtain an expression for velocity of electromagnetic wave.
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- How are carrier wave produced?
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- Discuss the mode of propagation of radio wave in atmosphere.
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- Write the classification of electromagnetic waves according to frequen...
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- Write a short note on ultraviolet rays. Describe how it in large quant...
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- Find the wavelength of elecltromagnetic waves of frequency 5xx10^(19)H...
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- Give two characteristics of electromagnetic waves. Write the expressio...
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