Home › NEET UG › Physics › Electromagnetic Waves › A basic source of electromagnetic waves is which…
A basic source of electromagnetic waves is which arrangement of charge?
AAn electric diploma
BAn electric dilemma
CAn electric dipole
DAn electric display
Answer & Solution
Correct answer: C. An electric dipole
1. Radiation needs charge that accelerates back and forth.
2. The simplest such arrangement has two opposite charges.
3. An electric dipole is a basic source of electromagnetic waves.
4. So the answer is an electric dipole.
_Source: NCERT Class XII Physics Part I, Ch 8 'Electromagnetic Waves'_
Related questions
Which band is used as a diagnostic tool in medicine?Compared with visible light, infrared waves have frequencies that are:X-rays are emitted from atoms that are:Gamma rays are produced in which kind of process?The total current in the Ampere Maxwell law is conduction current plus:The generalised form of Ampere's law is known as the:X-rays are produced by bombarding a metal target with:Household TV remote switches work using: