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Card 26

Front

What is refraction?

Back

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Card 27

Front

How far are the most distant galaxies?

Back

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Card 28

Front

What did the Universe start with?

Back

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Card 29

Front

What is CMBR?

Back

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Card 30

Front

What type of wave can be produced on a stretched string?

Back

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Card 31

Front

Where are angles always measured between?

Back

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Card 32

Front

What does the law of reflection state?

Back

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Card 33

Front

Why does light split up into different colours when it passes through a triangular prism?

Back

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Card 34

Front

What is the frequency range for the normal human ear?

Back

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Card 35

Front

Sound waves are what type of wave?

Back

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