Question

Dialogue completion between sasi and rahim

Answer 1

Answer:

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Explanation:

sasi= hi Rahim how are you doing?

Rahim= fine thank you and you?

sasi = oh I'm good thanks

Rahim_ what terrible weather! it hasn't stopped raining for days

Sasi_ yes terrible if it continues to rain we'll have to swim to work

Rahim_yes you're right well i must be going see you later

sasi_ byee take care

Answer 2

Answer:

A simple way to derive the Bragg equation is as follows. The path difference between electrons scattered from adjacent crystal planes is 2d sin θ. For constructive interference between the two scattered beams the difference must be an integer multiple of electron wavelengths, nλ which gives the Bragg equation