A) Celsius B) Fahrenheit C) Kelvin D) Joule
A) 1,000 B) 100 C) 10 D) 10,000
A) 25 m B) 250 m C) 0.25 m D) 2.5 m
A) centimeter B) meter C) kilogram D) inch
A) 7,200 B) 12,000 C) 60,000 D) 3,600
A) 50 g B) 5 g C) 0.5 g D) 500 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 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) High accuracy, high precision B) High accuracy, low precision C) High precision, low accuracy D) Low accuracy, low precision
A) All measurements identical to the true value B) Scattered far from the true value C) Randomly scattered around the true value D) Very close to each other but off the true value
A) Environmental changes B) Human estimation errors only C) Faulty instruments or calibration errors D) Random guessing
A) 11 B) 12 C) 12.5 D) 11.5
A) A measure of accuracy B) Least count of an instrument C) Maximum error possible D) Square root of variance
A) None B) Both C) Vector D) Scalar
A) None B) Both C) Scalar D) Vector
A) Vector B) Both C) Scalar D) None
A) None B) Magnitude and direction C) Magnitude only D) Direction only
A) Vector B) Acceleration C) Scalar D) Force
A) Scalar B) Both C) Vector D) None
A) Vector, vector B) Scalar, scalar C) Scalar, vector D) Vector, scalar
A) Component method B) Parallelogram method C) All of the above D) Graphical method
A) Triangle B) Parallelogram C) Circle D) None
A) 30,500 g B) 3,500 g C) 35,000 g D) 350 g
A) Using faulty tools B) Calibrating instruments C) Ignoring fluctuations D) Taking repeated measurements and averaging
A) Accurate and precise B) Precise but not accurate C) Neither D) Accurate but not precise
A) 5.3 cm B) 5.1 cm C) 5.0 cm D) 5.2 cm
A) Neither B) Vector C) Scalar D) Both
A) None B) Scalar C) Vector D) Both
A) 1cm = 10m B) 1m = 100mm C) 1kg = 100g D) 1L = 1000mL
A) Length and Mass B) Speed and Mass C) Time and Temperature D) Area and Volume
A) True value B) Systematic error C) Random error D) Least count
A) Environmental errors B) Systematic errors C) Random errors D) Instrumental errors
A) All of the above B) Instrument quality and calibration C) Environmental fluctuations D) Repeated measurements
A) Ignore fluctuations B) Measure only once C) Only use analog instruments D) Take measurements in controlled conditions
A) Measuring tape B) Meterstick C) Micrometer screw gauge D) Ruler
A) Ignore small variations B) Use a ruler instead C) Measure only once carefully D) Repeat the measurement several times and take the average
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) 0 N C) 75 N D) 100 N
A) Mean length = 10.0 cm, approximate range = 0.2 cm B) Mean length = 9.9 cm, approximate range = 0.4 cm C) Mean length = 10.1 cm, approximate range = 0.3 cm D) Mean length = 10.0 cm, approximate range = 0.4 cm
A) High precision, low accuracy B) Low precision, high accuracy C) Low precision, low accuracy D) High precision, high accuracy
A) High precision, low accuracy B) Low precision, high accuracy C) High accuracy, high precision D) Low accuracy, low precision
A) How close a measurement is to the true value B) The instrument’s least count C) The range of measurements D) How close measurements are to each other
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) Accurate but not precise B) Both accurate and precise C) Neither precise nor accurate D) Precise but not accurate
A) 12 km, 60° north of east B) 10 km, 36.87° north of east C) 14 km, 45° north of east D) 10 km, 53.13° north of east
A) 20 km east B) 15 km east C) 35 km east D) 5 km east
A) 40 m north B) 20 m north C) 30 m north D) 10 m south
A) 20 km west B) 80 km east C) 80 km west D) 20 km east
A) 14 km, 45° north of west B) 15 km, 60° north of west C) 12 km, 53° north of west D) 13 km, 67.4° north of west |