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