Electromagnetic Waves — Physics

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Question 1
EasyJEE

The speed of electromagneticwavesinfreespaceelectromagnetic waves in free space is:

A. 3×108m/s3×10⁸ m/s
B. 3×105m/s3×10⁵ m/s
C. 3×106m/s3×10⁶ m/s
D. 3×107m/s3×10⁷ m/s
Question 2
EasyJEE

Electromagnetic waves are:

A. Transverse
B. Longitudinal
C. Both
D. Neither
Question 3
EasyJEE

The range of wavelength of visible light is approximately:

A. 400 nm to 700 nm
B. 100 nm to 400 nm
C. 700 nm to 1000 nm
D. 1 mm to 1 m

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