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Question 1 of 5
1. Question
4 pointsMatch List-I (Electromagnetic wave type) with List – II (Its association/application) and select the correct option from the choices given below the lists : [JEE Main 2014]
List – I List – II (a) Infrared waves (i) To treat muscular strain (b) Radio waves (ii) For broadcasting (c) X-rays (iii) To detect fracture of bones (d) Ultraviolet rays (iv) Absorbed by the ozone layer of the atmosphere Correct
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Question 2 of 5
2. Question
4 pointsWhich of the following spectral series of hydrogen atom is lying in visible range of electromagnetic wave? [Karnataka CET 2014]
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Question 3 of 5
3. Question
4 pointsThe magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is : [JEE Main 2013]
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Question 4 of 5
4. Question
4 pointsElectromagnetic wave consists of periodically oscillating electric and magnetic vectors ______. [Karnataka CET 2010]
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Question 5 of 5
5. Question
4 pointsAssertion: Television signals are received through sky-wave propagation.
Reason : The ionosphere reflects electromagnetic waves of frequencies greater than a certain critical frequency. [AIIMS 2005]
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