CAIE A-Level Physics 7.4.2 Electromagnetic Spectrum Wavelength Ranges

Practise ordering electromagnetic-spectrum regions by wavelength and frequency, matching ranges to applications and using the inverse wavelength-frequency relationship.

Exam points

recall or identify the approximate wavelength ranges and ordering of the principal electromagnetic-spectrum regions
compare regions by wavelength, frequency or energy using the inverse wavelength–frequency relationship
select the appropriate region for a stated wavelength or application when supported by the syllabus range

[Maximum number: 1]

Make estimates of:

the wavelength of ultraviolet radiation.

wavelength in range $1 \times 10^{-8} \mathrm{~m}$ to $4 \times 10^{-7} \mathrm{~m}$

A1

All question bank results loaded

7.4.2—The approximate range of wavelengths in free space of the principal regions question 1