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physics - btec forensics science unit 1 > Diffraction gratings > Flashcards

Diffraction gratings Flashcards

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1
Q

Diffraction meaning?

A

Tendency of a wave to spread out in all directions

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2
Q

Superposition meaning?

A

Adding together wave displacements that occur whyen waves overlap.

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3
Q

Path difference meaning?

A

Difference in length between 2 rays

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4
Q

Interference pattern meaning?

A

opposite of superposition. stationary pattern caused by waves travelling in different directions

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5
Q

Coherent meaning?

A

waves with the same frequency, wavelength

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physics - btec forensics science unit 1 (3 decks)

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