1 IR-Rays A 1021 Hz 2 X-Rays B 10 eV 3 UV-Rays C 104 nm 4 \(\gamma \)-Rays D 10-7 cm

1:C; 2:A; 3:B; 4:D 1:C; 2:D; 3:B; 4:A  1:C; 2:B; 3:D; 4:A  1:D; 2:A; 3:B; 4:C

1:C; 2:D; 3:B; 4:A

The LHS gives the part of the electromagnetic spectrum and RHS gives its characteristics such as energy, wavelength and frequency.