Instrument used to study crystal or surface structure

This type of question, asked 2 times: 10 May 2023 S1, 11 May 2023 S2. All 2 questions below, oldest first.

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Question 1
10 May 2023 S1
78 $Identify the instrument used to find the structure of surface of material.$
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Question 2
11 May 2023 S2
54 $Identify the instrument used to find crystal structure from following:$
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