17. What is the velocity of the EM waves in a material medium of relative permeability µr and dielectric
constant K?
Answers
Answered by
1
Answer:Effect of change of Temp, Pressure. Effect of change of temperature on matter: On increasing the temperature of solids, the kinetic energy of the particles increases. ... So by applying pressure solids can be converted into liquids and further applying more pressure liquids can be converted into gases.
Explanation:
Answered by
1
Answer:
300000km/s
Explanation:
em waves are nothing but light
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