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