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Question 1 of 9
1. Question
1 point(s)Which of the following statements is True about an astronomical telescope?
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Question 2 of 9
2. Question
1 point(s)Which of the followings are the characteristics of the image formed by the eyepiece of an astronomical telescope?
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Question 3 of 9
3. Question
1 point(s)The power of the eyepiece and the objective lens of an astronomical telescope is 20D and 2D respectively. Find the linear magnification of the telescope.
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Question 4 of 9
4. Question
1 point(s)Given that the distance between the objective lens and the eyepiece of an astronomical telescope is 75cm. If the focal length of the objective lens is 70cm, what is the focal length of the eyepiece?
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Question 5 of 9
5. Question
1 point(s)Which of the following is TRUE about a compound microscope?
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Question 6 of 9
6. Question
1 point(s)Which of the followings are the characteristics of the image formed by the eyepiece of a compound microscope?
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Question 7 of 9
7. Question
1 point(s)The characteristic of the image formed on the film of a camera is
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Question 8 of 9
8. Question
1 point(s)In a projector, the object (the slide) must be placed __________ of the projector lens.
f = focal length of the projector lens
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Question 9 of 9
9. Question
1 point(s)Which of the followings are the function of the condenser in a projector.
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