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Listening Quiz: Hướng Dẫn về Căn Chỉnh Thí Nghiệm Quang Học – Advanced Level
Th11 3, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà vật lý học (English for Physicist)
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1.
What is the conversation mainly about?
Ordering lab supplies for a project
Planning a scientific presentation
Aligning an optical experiment setup
Repairing a broken laser device
Explanation:
Jessica explains the steps for aligning an optical setup, including turning off the laser, placing the beam splitter, and adjusting the mirrors.
2.
What does Jessica say John should do first?
Use the alignment card
Turn the laser off
Place the beam splitter at the center
Adjust the mirrors
Explanation:
Jessica clearly says, ‘First, make sure the laser is turned off.’
3.
Why does Jessica say the beam splitter should be placed precisely in the middle?
To make the setup look neat
To prevent the mirrors from moving
Because precise placement is important for accuracy
Because the laser works only in the center
Explanation:
Jessica says that precise placement is important for accuracy.
4.
How can John check whether the beam is straight?
By using the alignment card
By moving the beam splitter
By repeating the entire procedure immediately
By turning the laser back on
Explanation:
Jessica tells John to use the alignment card to see the beam path.
5.
What should John do if the beam is still not aligned after making adjustments?
Replace the beam splitter with a new one
Stop the procedure and leave the room
Repeat the adjustment steps until it is correct
Turn the laser on and test it anyway
Explanation:
Jessica says, ‘Repeat the adjustment steps until it is correct,’ which shows John should keep adjusting until the beam is aligned.
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