A) Fahrenheit B) Joule C) Celsius D) Kelvin
A) 10 B) 100 C) 10,000 D) 1,000
A) 0.25 m B) 25 m C) 2.5 m D) 250 m
A) centimeter B) inch C) meter D) kilogram
A) 3,600 B) 60,000 C) 7,200 D) 12,000
A) 500 g B) 0.5 g C) 50 g D) 5 g
A) Accuracy measures closeness to true value; precision measures repeatability B) Precision measures closeness to true value; accuracy measures repeatability C) None of the above D) Accuracy and precision are the same
A) Values are neither consistent nor close B) Values are close to the true value C) Values are consistent but far from the true value D) Values are random
A) High accuracy, low precision B) Low accuracy, low precision C) High precision, low accuracy D) High accuracy, high precision
A) Randomly scattered around the true value B) All measurements identical to the true value C) Scattered far from the true value D) Very close to each other but off the true value
A) Environmental changes B) Human estimation errors only C) Random guessing D) Faulty instruments or calibration errors
A) 12 B) 11 C) 11.5 D) 12.5
A) Least count of an instrument B) Maximum error possible C) A measure of accuracy D) Square root of variance
A) Scalar B) Vector C) Both D) None
A) Scalar B) Vector C) None D) Both
A) Vector B) Both C) None D) Scalar
A) None B) Magnitude only C) Magnitude and direction D) Direction only
A) Vector B) Scalar C) Force D) Acceleration
A) None B) Vector C) Both D) Scalar
A) Vector, vector B) Scalar, scalar C) Scalar, vector D) Vector, scalar
A) Graphical method B) Parallelogram method C) All of the above D) Component method
A) Parallelogram B) Circle C) Triangle D) None
A) 30,500 g B) 35,000 g C) 350 g D) 3,500 g
A) Calibrating instruments B) Using faulty tools C) Taking repeated measurements and averaging D) Ignoring fluctuations
A) Accurate and precise B) Accurate but not precise C) Neither D) Precise but not accurate
A) 5.3 cm B) 5.0 cm C) 5.2 cm D) 5.1 cm
A) Vector B) Scalar C) Both D) Neither
A) Both B) Scalar C) None D) Vector
A) 1kg = 100g B) 1cm = 10m C) 1L = 1000mL D) 1m = 100mm
A) Time and Temperature B) Length and Mass C) Speed and Mass D) Area and Volume
A) Random error B) True value C) Systematic error D) Least count
A) Instrumental errors B) Environmental errors C) Random errors D) Systematic errors
A) All of the above B) Instrument quality and calibration C) Environmental fluctuations D) Repeated measurements
A) Only use analog instruments B) Measure only once C) Ignore fluctuations D) Take measurements in controlled conditions
A) Measuring tape B) Ruler C) Micrometer screw gauge D) Meterstick
A) Use a ruler instead B) Ignore small variations C) Measure only once carefully D) Repeat the measurement several times and take the average
A) Use rulers of different lengths without measuring B) Estimate errors without measurement C) Only measure once with each ruler D) Measure a known length multiple times with each ruler
A) 50 N B) 0 N C) 75 N D) 100 N
A) Mean length = 10.0 cm, approximate range = 0.2 cm B) Mean length = 9.9 cm, approximate range = 0.4 cm C) Mean length = 10.1 cm, approximate range = 0.3 cm D) Mean length = 10.0 cm, approximate range = 0.4 cm
A) High precision, high accuracy B) Low precision, low accuracy C) High precision, low accuracy D) Low precision, high accuracy
A) High accuracy, high precision B) Low accuracy, low precision C) High precision, low accuracy D) Low precision, high accuracy
A) How close a measurement is to the true value B) The instrument’s least count C) How close measurements are to each other D) The range of measurements
A) How close measurements are to each other B) How close a measurement is to the true value C) Instrument calibration D) The range of measurements
A) Neither accurate nor precise B) Both accurate and precise C) Precise but not accurate D) Accurate but not precise
A) Both accurate and precise B) Neither precise nor accurate C) Precise but not accurate D) Accurate but not precise
A) 10 km, 53.13° north of east B) 10 km, 36.87° north of east C) 12 km, 60° north of east D) 14 km, 45° north of east
A) 5 km east B) 15 km east C) 35 km east D) 20 km east
A) 10 m south B) 20 m north C) 40 m north D) 30 m north
A) 80 km west B) 20 km west C) 20 km east D) 80 km east
A) 15 km, 60° north of west B) 14 km, 45° north of west C) 12 km, 53° north of west D) 13 km, 67.4° north of west |