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