Class 9 Physics Chapter 1 MCQs Federal Board
Class 9 Physics Chapter 1 MCQs Federal Board
Tick the correct option.
1) Which one of the following unit is not a derived unit?
A) pascal
B) kilogram
C) newton
D) watt
Correct option is (b)
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2) Amount of a substance in terms of numbers is measured in:
A) gram
B) kilogram
C) newton
D) mole
Correct option is (d)
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3) The number of significant figures in 0.00650 s are:
A) 2
B) 3
C) 5
D) 6
Correct option is (b)
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4) Which of the following numbers show 4 significant digits?
A) 9000.8
B) 4
C) 5174.00
D) 0.001248
Correct option is (d)
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5) Which of following prefix represents a largest value?
A) mega
B) pico
C) peta
D) kilo
Correct option is (c)
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6) Micrometer can be used to measure:
A) current
B) force
C) length
D) mass
Correct option is (c)
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7) The instrument best measures the internal diameter of a pipe is:
A) screw gauge
B) vernier calliper
C) metre rule
D) measurement
Correct option is (b)
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8) Least count of screw gauge is 0.01 mm. If main scale reading of screw gauge is zero and third line of its circular scale coincides with datum line then the measurement on the screw gauge is:
A) 0 mm
B) 3 mm
C) 0.03 mm
D) 0.3 mm
Correct option is (c)
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9)
$$9.483\;\times\;10^3\;m$$ is the standard form of:
A) 94.83 m
B) 9.483 m
C) 948.3 m
D) 9483 m
Correct option is (d)
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10) Which of the following is a base unit?
A) pascal
B) coulomb
C) meter per second
D) mole
Correct option is (d)
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11) The numbers having one significant digit is:
$$A)\;1.1\;\;\\B)\;6.0\;\;\\C)\;7.1\;\;\\D)\;6\;\times\;10^2$$
Correct option is (d)
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12) Ratio of millimetre to micrometre is:
A) 1000 metre
B) 0.001 metre
C) 1000
D) 0.001
Correct option is (c)
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13) 0.2 mm in units of meters is:
$$A)\;0.0002\;m\;\;\\B)\;2\;\times\;10^{-4}\;m\;\;\\C)\;both\;a\;and\;b\;\;\\D)\;none$$
Correct option is (c)
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