E&S Unit 1 Review

A wave will diffract more if the wave has

• a longer wavelength

• a shorter wavelength

• wavelength makes no difference

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A wave will diffract more if the opening is

• larger

• smaller

• The opening size makes no difference in diffraction.

Which of these has the shortest wavelength?

• blue

• green

• yellow

• red

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Which of these has the longest wavelength?

• blue

• green

• yellow

• red

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Which of these has the most energy?

• blue

• green

• yellow

• red

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Which of these has the least energy?

• blue

• green

• yellow

• red

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A long wavelength has a

• high frequency

• low frequency

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Drag these in order from longest wavelength to shortest wavelength.

• green

• yellow

• blue

• red

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Which wavelength of light will diffract the most?

• blue

• red

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Emission of light from an atom occurs when an electron

• drops from a higher to a lower energy level.
•    jumps from a lower to a higher energy level.   
•    moves within its atomic orbital.
• falls into the nucleus.

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