Question

If an incident ray strikes a plane mirror at an angle of 20 . The angle between incident ray and reflected ray is

Answer 1

$\sqrt{8 = \sqrt{4 = = 7 \times 54} } s4$

Answer 2

Answer:Formal charges help in the selection of the lowest energy structure from the number of possible

Lewis structure.

Lowest energy structure is the one with a factor based on a pure covalent bond between the two

atoms.

Explanation: