Question

$\huge \bf \Longrightarrow \small \sf \ State \: any \: three \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: properties \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: common \: to \: all \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: electromagnetic \: \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: waves. \: \: \: \: \huge \bf \Longleftarrow$
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Answer 1

Explanation:

• Electromagnetic waves are propagated by oscillating electric fields and magnetic field oscillation at right angles to each other.
• These waves travel with speed 3×108ms−1 in vacuum.
• They are not deflected by electric or magnetic field.
• They can show interference or diffraction.
• They are transverse waves.