Bài tập thấu kính
Authored by Nguyễn Hiếu
Physics
9th Grade
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Thấu kính hội tụ có tiêu cự âm
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2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Khi d' > 0 thì ảnh A'B' là ảnh thật
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3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Khi k > 0 thì ảnh cùng chiều với vật.
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4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
k = A'B'/AB là độ phóng đại của ảnh
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5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Với k = 2 thì ảnh cùng chiều với vật, cao gấp 2 lần vật.
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6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
d là khoảng cách từ ảnh đến thấu kính
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thấu kính hội tự có tiêu cự 10 cm. Vật AB cách thấu kính 20 cm. Tìm khoảng cách từ ảnh đến thấu kính.
10 cm
15 cm
20 cm
25 cm
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