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