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MBD PUBLICATION-ELECTROMAGNETIC WAVES-QUESTION BANK
- Apulse of light of duration 100mus is obsorbed completely by a small o...
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- The dimension of (1)/2epsilon0E^2 (epsilon0-permittivity of free space...
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- Electromagnetic waves are transverse in nature is evident by:
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- Dimensions of (1)/mu0epsilon0 where symbols have their usual meanings ...
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- The megnetic field in a travelling electromagnetic wave has a peak of ...
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- A red LED emits light at 0.1 watt iniformly around if the amplitude of...
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- Which of the following are not electromagnetic waves ?
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- Which of the following radiations has least wavelength:
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- Infrared radiations are detected by:
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- According to maxwell's equation the velocity of light in any medium is...
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- For an electromagnetic wave propagating along x-axis Ex=30 v/m. What i...
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- The pressure exerted by an electromagnetic wave of intensity I(wm^(-2)...
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- Which of the wavelength of the sun is used finally as electric energy ...
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- If vgamma, vx and vm are the speeds of gamma rays, x-rays and microwav...
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- Light with an energy flux of 18 w/cm^2 falls on a non-reflecting surfa...
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- A radiation of energy 'E' falls normally on a perfectly reflecting sur...
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- The electric and magnetic fields, associated with an em wave, propagat...
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- Light with an energy flux of 25xx10^4 wm^(-2) falls on a perfectly ref...
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- The energy of an em waves is of the order of 15 Kev. To which part of ...
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- In an electromagnetic wave, the electric and magnetic fields are 100 V...
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