
123 12
Interactive Video
•
Chemistry
•
9th Grade
•
Hard
Teacher 9.2024
FREE Resource
2 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đây là dụng cụ thí nghiệm nào?
Nguồn điện.
Đèn dây tóc.
Đèn laser.
Thấu kính.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thấu kính được sử dụng để
Thay đổi đường truyền tia sáng.
Phát hiện dòng điện cảm ứng.
Tạo ra chùm sáng hẹp.
Thu nhận ánh sáng và tập trung thành vùng nhỏ hơn
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