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Physics 10 Chapter 3 - Geometrical Optics - 17
1.
When the object is at F, where does image form?
a) No image is formed
b) The image is between F and 2F
c) The image is at 2F
d) The image is beyond 2F
2.
When the object is at F, which of the following nature of image is formed?
a) No image is formed
b) Virtual
c) Real
d) Erect
3.
When the object is at F, which of the following nature of image is formed?
a) Erect
b) Virtual
c) Inverted
d) No image is formed
4.
When the object is at F, which of the following is correct about the image formed?
a) Smaller than object
b) Same size as object
c) No image is formed
d) Larger than object
5.
When converging lens forms a magnifying image?
a) When the object is between F and 2F
b) When the object is beyond 2F
c) When the object is at 2F
d) When the object is located inside lens’s focal point
6.
When the object is between lens and F, where does image form?
a) The image is at 2F
b) No image is formed
c) The image is between F and 2F
d) The image is behind the object
7.
When the object is between lens and F, which of the following nature of image is formed?
a) No image is formed
b) Inverted
c) Erect
d) Real
8.
When the object is between lens and F, which of the following nature of image is formed?
a) No image is formed
b) Inverted
c) Virtual
d) Real
9.
When the object is between lens and F, which of the following is correct about the image formed?
a) Larger than object
b) No image is formed
c) Same size as object
d) Smaller than object
10.
What does CSP stands for?
a) Compressed Solar Power
b) Controlled Solar Power
c) Cooled Solar Power
d) Concentrated Solar Power
11.
Which of the following statement is correct about lens with long focal length?
a) Lens is fatter
b) Lens is thin
c) Its surfaces are strongly curved
d) None of these
12.
Which of the following statement is correct about lens with long focal length?
a) Its surfaces are not strongly curved
b) Its surfaces are strongly curved
c) None of these
d) Lens is fatter
13.
Which of the following statement is correct about lens with small focal length?
a) Lens is fatter
b) None of these
c) Its surfaces are strongly curved
d) Lens is thin
14.
Which of the following statement is correct about lens with long focal length?
a) None of these
b) Its surfaces are not strongly curved
c) Lens is fatter
d) Its surfaces are strongly curved
15.
In diverging lens, what size of image is formed?
a) Same size as object
b) No image is formed
c) Larger than object
d) Smaller than object
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