JEE Main Chemistry question

ChemistryStructure of AtomJEE Main

A beam of particles with velocity is scattered by a nuclei. The distance of closest approach is 1.82 Å and the specific charge of this particle is . What is the value of in nearest integer?

Answer: 5

Solution

At the distance of closest approach , all kinetic energy converts to electrostatic potential energy:

Missing argument for \tfrac\tfrac12 =

where and . Writing and solving with m/s,

See the full step-by-step solution

Create a free account to read the complete working (5 steps), and practise questions like this in a timed test.

Create a free account

Question ID VK-133005