Question

The wavelength of the electromagnetic radiation of frequency 103kHz
is

a) 30.0m b) 3.0m c) 300.0m d) 3000.0m

Answer 1

Answer:

Region Wavelength Frequency

X-ray 1 nm 3 × 1017 Hz

X-ray/Ultraviolet 10 nm 3 × 1016 Hz

Ultraviolet 100 nm 3 × 1015 Hz

Visible (blue) 400 nm 7.5 × 1014 Hz

Answer 2

Answer:

Region Wavelength Frequency Energy

Hard gamma 1 × 10-9 nm 3 × 1026 Hz 1.2 × 1012 eV

Gamma 1 × 10-6 nm 3 × 1023 Hz 1.2 GeV

Gamma/X-ray 0.001 nm 3 × 1019 Hz 12 MeV

X-ray 1 nm 3 × 1017 Hz 120 keV

X-ray/Ultraviolet 10 nm 3 × 1016 Hz 12 keV

Ultraviolet 100 nm 3 × 1015 Hz 1.2 keV

Visible (blue) 400 nm 7.5 × 1014 Hz 3.1 eV

Visible (red) 700 nm 4.3 × 1014 Hz 1.8 eV

Infrared 10000 nm 3 × 1013 Hz 0.12 eV

Microwave 1 cm 30 GHz 1.2 × 10-4 eV

Microwave/Radio 10 cm 3GHz 1.2 × 10-5 eV

Radio 100 m 3 MHz 1.2 × 10-8 eV

Radio 100 km 3 kHz 1.2 × 10-11 eV

hope this will help

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