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