प्रमुख विदुत चुम्बकीय तरंगे
ट्रिक्स है
GAP DAL D
ट्रिक का विशलेषण
G = GAMA RAYS
A = ALFA RAYS
P = PARABAIGANI KIRNE (ULTRA-VIOLET RAYS)
D = DRUSHYA VIKIRAN (VISIBLE RADIATION)
A = AVRAKT VIKIRAN (INFRA-RED RAYS)
L = LAGHU REDIO TARANG (SHORT REDIO WAVES OR HERTZ HERTZIAN WAVES)
D = DIRGH REDIO TARANG (LONG REDIO WAVES)