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Physics – ELECTROMAGNETIC WAVES

QUIZ SET B05 MAX QNS 10

Sub : Physics – ELECTROMAGNETIC WAVES

QID - 30002281215BQZ

 

1.An EM wave used for telecommunication?

An. Micro waves

2.In which of the atmospheric layers is the ozone present?

An. Stratosphere

3.A quantity that which not transported by an EM wave ?

An. Charge

4.Which law was modified by Maxwell by introducing displacement current?

An. Ampere's Law

5.Who was the first to demonstrate the existence of EM waves?

An. Hertz

6.The unit of displacement current?

An. C/s

7.The speed of EM waves?

An. 2.997924591 X 10^8

8.An EM wave used for heating purposes?

An. IR waves

9.Wave length range of UV radiation?

An. 5nm – 400nm

10.The radio waves received after reflection from the ionosphere are called ….......?

An. Sky waves

Category: Physics | Added by: discovery (2015-12-27)
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