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1
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Microwave oven acts on the principle of :
A
transferring electrons from lower to higher energy levels in water molecule
B
giving rotational energy to water molecules
C
giving vibrational energy to water molecules
D
giving translational energy to water molecules
2
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Arrange the following electromagnetic radiations per quantum in the order of increasing energy :

A : Blue light           B : Yellow light

C : X-ray                 D : Radiowave.
A
C, A, B, D
B
B, A, D, C
C
D, B, A, C
D
A, B, D, C
3
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
During the propagation of electromagnetic waves in a medium :
A
Electric energy density is double of the magnetic energy density.
B
Electric energy density is half of the magnetic energy density.
C
Electric energy density is equal to the magnetic energy density.
D
Both electric and magnetic energy of densities are zero.
4
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
Match List - $$1$$ (Electromagnetic wave type ) with List - $$2$$ (Its association/application) and select the correct option from the choices given below the lists: JEE Main 2014 (Offline) Physics - Electromagnetic Waves Question 133 English
A
$$1 - iv,\,\,2 - iii,\,\,3 - ii,\,\,4 - i$$
B
$$1 - i,\,\,2 - ii,\,\,3 - iv,\,\,4 - iii$$
C
$$1 - iii,\,\,2 - ii,\,\,3 - i,\,\,4 - iv$$
D
$$1 - i,\,\,2 - ii,\,\,3 - iii,\,\,4 - iv$$
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