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