Protection from radiation damage
trace element analysis
use radiation energy
Increase resistance
Radio activity is due to
Radio telescopes are better than optical telescopes because
Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as _.
Radioactive disintegration of uranium ultimately results in formation of
Radioactive elements can be traced out in living cell through a technique called
Radioactive elements emit:
Railway tracks are banked on curves
Railway tracks are banked on curves so that
Rain drops acquire spherical shape due to
Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from