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JEE Main 27 June 2022 Shift 2 Solved Paper
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Question : 45
Total: 90
Given below are two statements:
Statement I : A time varying electric field is a source of changing magnetic field and vice-versa. Thus a disturbance in electric or magnetic field creates EM waves.
Statement II : In a material medium, the EM wave travels with speed
v
=
1
√
µ
0
E
0
. In the light of the above statements, choose the correct answer from the options given below.
[27-Jun-2022-Shift-2]
Both Statement I and Statement II are true
Both Statement I and Statement II are false
Statement I is correct but Statement II is false
Statement I is incorrect but Statement II is true
Validate
Solution:
In a material medium speed of light is given by
v
=
1
√
ε
0
ε
r
µ
0
µ
r
. So statement 2 is false.
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