A) Celsius B) Joule C) Fahrenheit D) Kelvin
A) 10 B) 1,000 C) 100 D) 10,000
A) 25 m B) 2.5 m C) 0.25 m D) 250 m
A) meter B) centimeter C) inch D) kilogram
A) 7,200 B) 3,600 C) 12,000 D) 60,000
A) 500 g B) 0.5 g C) 50 g D) 5 g
A) None of the above B) Accuracy and precision are the same C) Accuracy measures closeness to true value; precision measures repeatability D) Precision measures closeness to true value; accuracy measures repeatability
A) Values are close to the true value B) Values are random C) Values are neither consistent nor close D) Values are consistent but far from the true value
A) High accuracy, high precision B) Low accuracy, low precision C) High accuracy, low precision D) High precision, low accuracy
A) Scattered far from the true value B) Randomly scattered around the true value C) Very close to each other but off the true value D) All measurements identical to the true value
A) Environmental changes B) Faulty instruments or calibration errors C) Human estimation errors only D) Random guessing
A) 11.5 B) 12.5 C) 12 D) 11
A) Square root of variance B) Least count of an instrument C) A measure of accuracy D) Maximum error possible
A) Both B) Vector C) Scalar D) None
A) Scalar B) None C) Vector D) Both
A) Both B) Vector C) Scalar D) None
A) Magnitude only B) Direction only C) Magnitude and direction D) None
A) Acceleration B) Vector C) Force D) Scalar
A) Vector B) None C) Scalar D) Both
A) Scalar, scalar B) Vector, scalar C) Vector, vector D) Scalar, vector
A) Graphical method B) All of the above C) Parallelogram method D) Component method
A) None B) Triangle C) Circle D) Parallelogram
A) 350 g B) 3,500 g C) 35,000 g D) 30,500 g
A) Taking repeated measurements and averaging B) Using faulty tools C) Ignoring fluctuations D) Calibrating instruments
A) Neither B) Accurate and precise C) Precise but not accurate D) Accurate but not precise
A) 5.1 cm B) 5.3 cm C) 5.0 cm D) 5.2 cm
A) Both B) Vector C) Neither D) Scalar
A) Scalar B) Vector C) None D) Both
A) 1m = 100mm B) 1cm = 10m C) 1L = 1000mL D) 1kg = 100g
A) Speed and Mass B) Time and Temperature C) Area and Volume D) Length and Mass
A) True value B) Random error C) Systematic error D) Least count
A) Instrumental errors B) Environmental errors C) Systematic errors D) Random errors
A) Environmental fluctuations B) All of the above C) Instrument quality and calibration D) Repeated measurements
A) Take measurements in controlled conditions B) Ignore fluctuations C) Measure only once D) Only use analog instruments
A) Micrometer screw gauge B) Meterstick C) Measuring tape D) Ruler
A) Repeat the measurement several times and take the average B) Ignore small variations C) Use a ruler instead D) Measure only once carefully
A) Only measure once with each ruler B) Estimate errors without measurement C) Use rulers of different lengths without measuring D) Measure a known length multiple times with each ruler
A) 50 N B) 0 N C) 75 N D) 100 N
A) Mean length = 9.9 cm, approximate range = 0.4 cm B) Mean length = 10.1 cm, approximate range = 0.3 cm C) Mean length = 10.0 cm, approximate range = 0.2 cm D) Mean length = 10.0 cm, approximate range = 0.4 cm
A) Low precision, low accuracy B) High precision, high accuracy C) High 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 measurements are to each other B) The instrument’s least count C) The range of measurements D) How close a measurement is to the true value
A) How close a measurement is to the true value B) The range of measurements C) Instrument calibration D) How close measurements are to each other
A) Precise but not accurate B) Accurate but not precise C) Both accurate and precise D) Neither accurate nor precise
A) Accurate but not precise B) Both accurate and precise C) Neither precise nor accurate D) Precise but not accurate
A) 10 km, 53.13° north of east B) 14 km, 45° north of east C) 12 km, 60° north of east D) 10 km, 36.87° north of east
A) 15 km east B) 35 km east C) 20 km east D) 5 km east
A) 20 m north B) 40 m north C) 30 m north D) 10 m south
A) 80 km west B) 20 km west C) 80 km east D) 20 km east
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 |