In the Rutherford scattering experiment, the number of α particles scattered at an angle θ=60∘ is 12 per min. The number of α particles per minute when scattered at an angle of 90 ∘ is

The radius of a nucleus of nucleon number 16 is 3 × 1015 m. What is the radius of a nucleus with nucleon number 128?

List-I contains various reaction sequence and List-II contains different phenolic compounds. Match each entry in List-I with the appropriate entry in List-II and choose the correct option. (IIT Adv 2024 Paper-1)