A) Celsius B) Joule C) Kelvin D) Fahrenheit
A) 1,000 B) 100 C) 10 D) 10,000
A) 0.25 m B) 250 m C) 2.5 m D) 25 m
A) kilogram B) centimeter C) inch D) meter
A) 60,000 B) 7,200 C) 12,000 D) 3,600
A) 50 g B) 5 g C) 500 g D) 0.5 g
A) None of the above B) Accuracy measures closeness to true value; precision measures repeatability C) Accuracy and precision are the same D) Precision measures closeness to true value; accuracy 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 precision, low accuracy B) High accuracy, low precision C) High accuracy, high precision D) Low accuracy, low precision
A) All measurements identical to the true value B) Randomly scattered around the true value C) Very close to each other but off the true value D) Scattered far from the true value
A) Random guessing B) Faulty instruments or calibration errors C) Human estimation errors only D) Environmental changes
A) 11.5 B) 12.5 C) 12 D) 11
A) A measure of accuracy B) Square root of variance C) Least count of an instrument D) Maximum error possible
A) Both B) Scalar C) None D) Vector
A) Vector B) Both C) Scalar D) None
A) None B) Both C) Scalar D) Vector
A) Magnitude only B) Direction only C) None D) Magnitude and direction
A) Scalar B) Vector C) Acceleration D) Force
A) Both B) None C) Vector D) Scalar
A) Scalar, vector B) Scalar, scalar C) Vector, vector D) Vector, scalar
A) Component method B) Graphical method C) Parallelogram method D) All of the above
A) Triangle B) None C) Circle D) Parallelogram
A) 350 g B) 3,500 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 but not precise B) Precise but not accurate C) Neither D) Accurate and precise
A) 5.1 cm B) 5.0 cm C) 5.3 cm D) 5.2 cm
A) Neither B) Vector C) Both D) Scalar
A) Scalar B) Vector C) None D) Both
A) 1m = 100mm B) 1kg = 100g C) 1L = 1000mL D) 1cm = 10m
A) Time and Temperature B) Speed and Mass C) Area and Volume D) Length and Mass
A) True value B) Random error C) Least count D) Systematic error
A) Instrumental errors B) Systematic errors C) Environmental errors D) Random errors
A) Environmental fluctuations B) Instrument quality and calibration C) All of the above D) Repeated measurements
A) Take measurements in controlled conditions B) Measure only once C) Only use analog instruments D) Ignore fluctuations
A) Ruler B) Measuring tape C) Meterstick D) Micrometer screw gauge
A) Ignore small variations B) Repeat the measurement several times and take the average C) Use a ruler instead D) Measure only once carefully
A) Measure a known length multiple times with each ruler B) Estimate errors without measurement C) Only measure once with each ruler D) Use rulers of different lengths without measuring
A) 75 N B) 50 N C) 0 N D) 100 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 = 9.9 cm, approximate range = 0.4 cm D) Mean length = 10.1 cm, approximate range = 0.3 cm
A) High precision, high accuracy B) Low precision, low accuracy C) High precision, low accuracy D) Low precision, high accuracy
A) High accuracy, high precision B) Low accuracy, low precision C) High precision, low accuracy D) Low precision, high accuracy
A) The instrument’s least count B) The range of measurements C) How close measurements are to each other D) How close a measurement is to the true value
A) Instrument calibration B) How close measurements are to each other C) How close a measurement is to the true value D) The range of measurements
A) Neither accurate nor precise B) Accurate but not precise C) Precise but not accurate D) Both accurate and precise
A) Neither precise nor accurate B) Accurate but not precise C) Precise but not accurate D) Both accurate and precise
A) 14 km, 45° north of east B) 10 km, 36.87° north of east C) 10 km, 53.13° north of east D) 12 km, 60° north of east
A) 35 km east B) 15 km east C) 20 km east D) 5 km east
A) 20 m north B) 30 m north C) 10 m south D) 40 m north
A) 20 km east B) 80 km east C) 20 km west D) 80 km west
A) 12 km, 53° north of west B) 15 km, 60° north of west C) 13 km, 67.4° north of west D) 14 km, 45° north of west |