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