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Out of the following options which one can be used to produce a propagating electromagnetic wave?

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Important Questions on Electromagnetic Waves

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Waves>AIPMT - 3rd May 2015>Q 14
A radiation of energy E falls normally on a perfectly reflecting surface. The momentum transferred to the surface is ( C = Velocity of light)
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Waves>AIPMT - 25th July 2015>Q 15
The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong?
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 16 - Electromagnetic Waves>AIPMT - 4th May 2014>Q 16
Light with an energy flux of 25×104 W m-2 falls on a perfectly reflecting surface at normal incidence. If the surface area is 15 cm2, the average force exerted on the surface is: