The ratio of radii of first shell of H atom and that of fourth shell of He⁺ ion is

1) 1:8

2) 1:4

3) 1:√8

4) 1:3

Correct ans is option 1 plis explain how

Can the sum of two equal vectors be equal to either vector

 

A nucleus X¹⁸⁴ at rest emitt alpha particle With kinetic energy 9.0MeV. The product Nucleus is Y. The values of Binding energy per nucleon of alpha particle & Y differ by 1.5MeV. The values of Binding energy per nucleon of X & Y differ by (n÷230) MeV, then n is

SUBJECT: PROBLEM BASED ON LINE DETECTION.
Query: How to apply all the filters for line detection on the following piece of image (provided below)? Explain its Observations to comment on its results.