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