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