Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Presentation1 em
1. BRAGG’S LAW
A A’
B B’
R
P
Q S
In Δ PQR
sin 𝜃 =
𝑄𝑃
𝑅𝑃
=
𝑄𝑃
𝑑
QP =d sin 𝜃
R
P
Q
P
S R
In Δ PSR
sin 𝜃 =
𝑆𝑃
𝑅𝑃
=
𝑆𝑃
𝑑
SP = d sin 𝜃
The path difference = QP +SP
Or, = d sin 𝜃 + d sin 𝜃
= 2d sin 𝜃
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