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Q.1: What is a measurement?

Q.2: What is a unit of measurement?

Q.3: What is a scientific notation?

Q.4: What are significant numbers?

Q.5: What are the rules for counting significant numbers?

Q.6: What is dimensional analysis?

Q.7: What will be the number of significant numbers of the result of multiplication or division of numbers?

Q.8: What will be the number of sinificant numbers of the result of addition or subtraction of numbers?

Q.9: What is the density of a substance?

Q.10: What is the accuracy of the measurement?

Q.11: What is the precision of a measurement?

Q.12: When 3314 is written in a scientific notation, the exponent indicating the power of 10 will be --------.

Q.13: 9.71 x 10 -4 is expressed as ordinary decimal number as --------.

Q.14: No matter how careful an experiment may be, a measurement has always some degree of ---------.

Q.15: The number of significant figures in the following measurement is -----.
The Continental United States is over 3000 miles wide.

Q.16: The number of significant figures in the following measurement is -------.
One liter contains 1000 ml.

Q.17: When 312.54 is rounded off to 3 significant figures, the answer will be --------.

Q.18: When numbers are added or subtracted, the limiting term is the one with the smallest number of -------- places.

Q.19: The quotient 2.3733 x 102 /343 should be written with --------- significant figures.

Q.20: The answer for the addition 212.2 + 26.7 + 402.09 will be ------.

Q.21: The answer for (0.5000) / (44.02) is ----- .

Q.22: The --------- temperature scale uses 0 degree to represent the freezing point of water.

Q.23: The freezing point of water is --------- K.

Q.24: The most common unit for density is -------- .

Q.25: The -------- of an insoluble object can be measured indirectly by measuring how much water the object displaces.

Q.26: The distance of 10.5 cm can be expressed as -------- m .

Q.27: One mile equals --------- yards.

Q.28 One calorie equals --------- joules

Q.29 One inch equals --------- centimeters.

Q.30 Zero degree Kelvin equals -------- degrees Celcius.

Q.31: One liter of volume in the metric system is approximately equivalent to one ------- in the English system.

Q.32: A kilometer is
(A) unit of volume
(B) cubic meter
(C) 1000 meters
(D) 1/1000 meters
(E) unit of density
Select the labelled statement that best fits your answer.

Q.33: The number 5500. has how many significant figures?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
Select the labelled statement that best fits your answer.

Q.34: A 1-kg package of hamburger has a mass closest to
(A) 8 oz
(B) 1 lb
(C) 2 lb
(D) 10 lb
Select the labelled statement that best fits your answer.

Q.35: A 2-L bottle of soda contains a volume closest to
(A) 5 gal
(B) 1 qt
(C) 2 pt
(D) 2 qt
Select the labelled statement that best fits your answer.

Q.36: No matter how careful an experiment may be, a measurement has always some degree of
(A) uncertainty
(B) low value
(C) visibility
(D) high value
Select the labelled statement that best fits your answer.

Q.37: Indicate the number of significant numbers in the following statement:
There are 60 seconds in one minute.
(A) 1
(B) 2
(C) 3
(D) infinite
Select the labelled statement that best fits your answer.





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