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