Following figure shows the path of an electron that passes through two regions containing uniform magnetic fields of magnitudes `B_(1)` and `B_(2)` . It's path in each region is a half circle, choose the correct option

Options

A. `B_(1)` is into the page and it is stronger than `B_(2)`
B. `B_(1)` is into the page and it is weaker than `B_(2)`
C. `B_(1)` is out of the page and it is weaker than `B_(2)`
D. `B_(1)` is out of the page and it is stronger than `B_(2)`

Answer

A

Explanation

`B prop (1)/ ( r)` out of page
`B_(1) gt B_(2)` into page