Question

The distance between two successive crests or troughs of a wave is known as _______.

• A. frequency
• B. wavelength
• C. amplitude
• D. energy

Answer 1

The correct option is B wavelength

Electromagnetic energy is characterized by wavelength $\left(\lambda \right)$ and frequency $\left(\nu \right)$.
Wavelength is defined as the distance between two successive crests or troughs of a wave.