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Online Tests
Physics English Medium Fsc Part 1 Chapter 10 Online MCQs Test MCQs With Answers
Question # 1
The magnifying power of an astronomical telescope is 10. If the focal length of objective is 100 cm, then what is the focal length of eye piece.
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10 cm
100 cm
1000 cm
5 cm
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Question # 2
The types of optical fibres are
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Three
Four
Five
Six
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Question # 3
The minimum distance from eye at which an object appears to be distinct is
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Near point
Focal length
Image distance from lens
Object distance from lens
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Question # 4
More details of an object can be seen with a microscope by using
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Green light
Red light
Yellow light
Blue light
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Question # 5
The magnifying power of a convex lens of focal lendth 10 cm is
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7
9.6
11
3.5
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Question # 6
The final image seen through ey piece in telescope is.
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Real, enlarge and inverted
Vertual, enlarge and erect
Virtual, enlarge and inverted
In Real, enlarge and erect
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Question # 7
For normal adjustment what is the length of astronomical telescope if focal lengths of astronomical telescope if focal lengths of objective and eye piece are 100 cm 20 cm respectively.
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10 cm
20 cm
5 cm
120 cm
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Question # 8
the final image obtained by astronomical telescope is.
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Erect
Virtual
Magnified
All of these
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Question # 9
The optical fibre is covered for protection by
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Glass jacket
Plastic jacket
Steel jacket
Diamond jacket
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Question # 10
The location of near point changes with
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Age
Size of the eye
Sharpness of the eye
None of these
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Question # 11
In an object is placed in between focus point and Opticla center of a convex lens, the image formed by lens is.
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Real inverted
Virtual diminshed
Virtual inverted
Virtual erected
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