A) Fahrenheit B) Kelvin C) Celsius D) Joule
A) 1,000 B) 100 C) 10,000 D) 10
A) 2.5 m B) 250 m C) 0.25 m D) 25 m
A) kilogram B) centimeter C) inch D) meter
A) 60,000 B) 12,000 C) 3,600 D) 7,200
A) 50 g B) 0.5 g C) 5 g D) 500 g
A) Precision measures closeness to true value; accuracy measures repeatability B) Accuracy and precision are the same C) Accuracy measures closeness to true value; precision measures repeatability D) None of the above
A) Values are neither consistent nor close B) Values are close to the true value C) Values are consistent but far from the true value D) Values are random
A) High precision, low accuracy B) High accuracy, high precision C) High accuracy, low precision D) Low accuracy, low precision
A) Very close to each other but off the true value B) Scattered far from the true value C) Randomly scattered around the true value D) All measurements identical to the true value
A) Environmental changes B) Human estimation errors only C) Random guessing D) Faulty instruments or calibration errors
A) 11 B) 11.5 C) 12.5 D) 12
A) A measure of accuracy B) Least count of an instrument C) Square root of variance D) Maximum error possible
A) None B) Scalar C) Both D) Vector
A) None B) Both C) Scalar D) Vector
A) Vector B) Scalar C) Both D) None
A) Magnitude and direction B) None C) Direction only D) Magnitude only
A) Vector B) Scalar C) Force D) Acceleration
A) Scalar B) None C) Both D) Vector
A) Scalar, scalar B) Vector, scalar C) Vector, vector D) Scalar, vector
A) Graphical method B) Component method C) Parallelogram method D) All of the above
A) Triangle B) Circle C) Parallelogram D) None
A) 350 g B) 30,500 g C) 3,500 g D) 35,000 g
A) Taking repeated measurements and averaging B) Calibrating instruments C) Using faulty tools D) Ignoring fluctuations
A) Accurate and precise B) Neither C) Precise but not accurate D) Accurate but not precise
A) 5.2 cm B) 5.3 cm C) 5.1 cm D) 5.0 cm
A) Neither B) Vector C) Both D) Scalar
A) Scalar B) Vector C) None D) Both
A) 1cm = 10m B) 1m = 100mm C) 1L = 1000mL D) 1kg = 100g
A) Area and Volume B) Speed and Mass C) Length and Mass D) Time and Temperature
A) Random error B) Systematic error C) True value D) Least count
A) Random errors B) Instrumental errors C) Systematic errors D) Environmental errors
A) Environmental fluctuations B) All of the above C) Instrument quality and calibration D) Repeated measurements
A) Only use analog instruments B) Ignore fluctuations C) Take measurements in controlled conditions D) Measure only once
A) Meterstick B) Measuring tape C) Ruler D) Micrometer screw gauge
A) Ignore small variations B) Measure only once carefully C) Repeat the measurement several times and take the average D) Use a ruler instead
A) Estimate errors without measurement B) Measure a known length multiple times with each ruler C) Only measure once with each ruler D) Use rulers of different lengths without measuring
A) 0 N B) 50 N C) 100 N D) 75 N
A) Mean length = 10.0 cm, approximate range = 0.2 cm B) Mean length = 10.0 cm, approximate range = 0.4 cm C) Mean length = 10.1 cm, approximate range = 0.3 cm D) Mean length = 9.9 cm, approximate range = 0.4 cm
A) High precision, high accuracy B) Low precision, low accuracy C) Low precision, high accuracy D) High precision, low accuracy
A) Low accuracy, low precision B) High precision, low accuracy C) Low precision, high accuracy D) High accuracy, high precision
A) How close measurements are to each other B) How close a measurement is to the true value C) The range of measurements D) The instrument’s least count
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) Both accurate and precise B) Neither accurate nor precise C) Accurate but not precise D) Precise but not accurate
A) Neither precise nor accurate B) Precise but not accurate C) Accurate but not precise D) Both accurate and precise
A) 12 km, 60° north of east B) 10 km, 36.87° north of east C) 14 km, 45° north of east D) 10 km, 53.13° north of east
A) 5 km east B) 15 km east C) 20 km east D) 35 km east
A) 10 m south B) 40 m north C) 30 m north D) 20 m north
A) 80 km east B) 20 km west C) 80 km west D) 20 km east
A) 14 km, 45° north of west B) 15 km, 60° north of west C) 12 km, 53° north of west D) 13 km, 67.4° north of west |