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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The radiation from sun is:
Choose an answer
Alpha
Gamma
Radio
Ultraviolet
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Question # 2
a ball is thrown vertically upward. Its velocity at the highest point is.
Choose an answer
10 ms
-2
-10 ms
-1
Zero
none of them
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Question # 3
When horse pulls a cart, the action is on the:
Choose an answer
Cart
Earth
Horse
Earth and cart
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Question # 4
S.I unit of gravitational field strength is:
Choose an answer
Nkg
Nkg
-1
Nkg
-2
Nkg
-3
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Question # 5
The number of forces that can be added by head to tail rule are
Choose an answer
2
3
4
Any Number
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Question # 6
Latent heat of fusion of water is:
Choose an answer
3.36 x 10
10
Jkg
-1
93.6 x 10
10
Jkg
-1
3.36 x 10
5
Jkg
-1
None of these
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Question # 7
Melting point is also known as:
Choose an answer
Moiling point
Freezing point
Fusion point
None of these
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Question # 8
One Megawatt is equal to :
Choose an answer
1 × 106 w
1 × 102 kw
1015 w
Nil
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Question # 9
The orbital speed of a low orbit satellite is
Choose an answer
Zero
8 ms-1
800 ms-1
8000 ms-1
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Question # 10
According to Archimedes principle upthrust is equal to
Choose an answer
weight of displaced liquid
volume of displaced liquid
mass of displaced liquid
are of displaced liquid
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Question # 11
The work is negative if the angle between force and displacement is:
Choose an answer
0
°
45
°
90
°
180
°
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Question # 12
The value of g on moon's surface is 1.6 ms
-2
. what will be the weight of a 100 kg body on the surface of the moon?
Choose an answer
100 N
160 N
1000 N
1600 N
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Question # 13
The value of latent heat of vaporization of water is:
Choose an answer
2.26 x 10
6
Jkg
-1
2.29 x 10
5
Jkg
-1
2.26 x 10
-6
Jkg
-1
3.29 x 10
-5
Jkg
-1
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