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Physics 10 Chapter 3 - Geometrical Optics - 16
1.
Passing through which part of lens, ray goes straight?
a) Through principal axis
b) Through optical centre
c) Through pole
d) Through focal point
2.
Which of the following statement is INCORRECT about principal rays?
a) Ray passing through optical centre passes straight
b) Ray parallel to principal axis passes through focal point
c) None of these
d) Ray passing through focus becomes parallel to principal axis
3.
Passing through which part of lens, ray becomes parallel to the principal axis?
a) Through principal axis
b) Through optical centre
c) Through focal point
d) Through pole
4.
When the object is beyond 2F, where does image form?
a) The image is at 2F
b) No image is formed
c) The image is beyond 2F
d) The image is between F and 2F
5.
When the object is beyond 2F, which of the following nature of image is formed?
a) Virtual
b) Real
c) No image is formed
d) Erect
6.
When the object is beyond 2F, which of the following nature of image is formed?
a) No image is formed
b) Virtual
c) Inverted
d) Erect
7.
When the object is beyond 2F, which of the following is correct about the image formed?
a) Smaller than object
b) No image is formed
c) Same size as object
d) Larger than object
8.
When the object is at 2F, where does image form?
a) The image is beyond 2F
b) The image is at 2F
c) No image is formed
d) The image is between F and 2F
9.
When the object is at 2F, which of the following nature of image is formed?
a) Real
b) Virtual
c) No image is formed
d) Erect
10.
When the object is at 2F, which of the following nature of image is formed?
a) Erect
b) Virtual
c) No image is formed
d) Inverted
11.
When the object is at 2F, which of the following is correct about the image formed?
a) Smaller than object
b) No image is formed
c) Same size as object
d) Larger than object
12.
When the object is between F and 2F, where does image form?
a) The image is between F and 2F
b) No image is formed
c) The image is at 2F
d) The image is beyond 2F
13.
When the object is between F and 2F, which of the following nature of image is formed?
a) No image is formed
b) Real
c) Virtual
d) Erect
14.
When the object is between F and 2F, which of the following nature of image is formed?
a) No image is formed
b) Inverted
c) Erect
d) Virtual
15.
When the object is between F and 2F, which of the following is correct about the image formed?
a) Smaller than object
b) No image is formed
c) Larger than object
d) Same size as object
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