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