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SUBHASH PUBLICATION-ELECTROMAGNETIC WAVES -ONE MARK QUESTIONS WITH ANSWERS
- Express velocity of electromagnetic wave in a material medium in terms...
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- Give the expression for velocity of elctromagnetic waves in vacuum.
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- Name a polarised electromagnetic wave.
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- Give the expression for the exnergy density of electric field.
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- Give the expression for the energy density of magnetic field.
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- Say whether electromagnectic waves transfer momentum and energy or not...
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- What is meant by radiation pressure ?
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- If 'U' is the total energy transferred to the surface by an electromag...
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- Why is that we do not feel the momeatum of light and radiaat heat from...
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- Name the American scleatists who succeeded in measuring the radiation ...
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- What is an electromagnetic wave ?
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- Who discovered gamma radiation ?
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- Who discovered X-rays ?
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- Who discovered UV rays ?
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- Who discovered IR-radiation ?
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- What are microwaves ?
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- What is the wavelength range of gamma rays ?
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- What is the wavelength range of X-rays ?
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- What is the wavelength rnge of UV rays ?
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- Give the frequency range of IR rays.
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