Question

100 POINTS
FULL EXPLANATION PLZ​

Answer 1

Explanation:

Ya! x ray is used for photoelectric emission from the photosensitive surface. it has less penetraring power so it used to find out the x ray of our scetualla or bones.

so, 1 A° or 10 nm

Answer 2

$\huge\mathtt\blue{Answer:-}$

According to bragg's Law

nλ=dsinθ

Since layers are consecutive,

∴ taking n=1

λ=(0.2)(sin11.8

=(0.2)(0.2045)

=0.0409 nm

λ=0.409 A°

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