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