Question : Radioactive elements emit:

Option 1: Radio waves

Option 2: Infrared waves

Option 3: Ultraviolet waves

Option 4: α, β, and γ radiation

Question : Directions: Five friends Alpha, Beta, Gamma, Rho, and Theta are arranged in a row facing north but not necessarily in the same order. Beta sits at the left end of the row. Only two people are sitting between Alpha and Gamma. Alpha sits immediately next to the Beta and Rho sits second to the right of Beta. Who sits between Rho and Gamma?

Option 1: Alpha

Option 2: Theta

Option 3: Beta

Option 4: No one

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 : Benzene cannot undergo:

Option 1: substitution

Option 2: addition

Option 3: elimination

Option 4: oxidation