Question : Which of the following radiations has the least wavelength?

Option 1: X-rays

Option 2: α-rays

Option 3: γ-rays

Option 4: β-rays

Question : What does the 'ozone layer' absorb?

Option 1: Infrared rays

Option 2: Ultraviolet rays

Option 3: X - rays

Option 4: Gamma - rays

Question : The maximum biological damage is produced by

Option 1: X-rays

Option 2: gamma-rays

Option 3: beta-rays

Option 4: alpha-rays