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