Question : The greenhouse effect is the heating up of the Earth's atmosphere which is due to:

Option 1: the ultraviolet rays

Option 2: γ-rays

Option 3: the infrared rays

Option 4: X-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

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 : Radioactive elements emit:

Option 1: Radio waves

Option 2: Infrared waves

Option 3: Ultraviolet waves

Option 4: α, β, and γ radiation

Question : Cobalt therapy is the medical use of rays from the radioisotope cobalt-60 to treat conditions such as cancer.

Option 1: alpha

Option 2: beta

Option 3: gamma

Option 4: Ultraviolet