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Chapter - 2 Measurement - Test 3
1.
Those physical phenomenon which can be measured are called _________________
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2.
The system consisting of ___________ base units is called International system of units
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3.
One second is the _________the part of the mean solar day of the year 1900 AD
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4.
The multiples and sub multiples of different units are obtained by multiplying or dividing with ___
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5.
The standard form of the scientific notation is that there should be _____________ digit before the decimal.
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6.
Vernier constant is the ________between one main scale division and one vernier division
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7.
The distance moved forward or backward in one complete rotation is called __________ of the screw gauge
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8.
A physical balance is used to measure the _________ of a body.
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9.
The duration of time of specific periods is measured using a ____________
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10.
A measuring cylinder is used to measure the _________ of a liquid
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11.
Uncertainty is described as an __________ in the measurement
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12.
The error due to inappropriate way of taking a reading is called_________
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13.
The _______________ is due to zero error of the instrument.
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14.
The number of significant figures in a measurement of 0.037 is ______________
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15.
A quantity which can be changed at will is called __________ variable quantity
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