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Prescriptions for vision correction are given in units called diopters (D). Determine the meaning of that unit. Obtain information (perhaps by calling an optometrist or performing an internet search) on the minimum uncertainty with which corrections in diopters are determined and the accuracy with which corrective lenses can be produced. Discuss the sources of uncertainties in both the prescription and accuracy in the manufacture of lenses.
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College Physics
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- Prescriptions for vision correction are given called diopters (D). Determine the meaning of the unit. Obtain information ( perhaps by calling an optometrist or performing an internet search) on the minimum uncertaintly with which corrections is diopters are determined and the accuracy with which corrective lenses can be produced. Discuss the source of uncertainties in both the prescription and accuracy in the manufacture of lenses.arrow_forwardQ.5. What could be the possible reasons for errors in measurements?arrow_forwardIf the number of significant figures is 6, what is the value of the pre-specified Error(?s) Select one: O a 0.000005% O b. 0.0005% O c. 0.005% ০ d 0.00005%arrow_forward
- Physics A distance R is measured to be 5.400±0.003m. What is the absolute uncertainty in R^-2?arrow_forwardA scanning electron micrograph of xylem vessels in a corn root shows the vessels magnified by a factor of 598. In the micrograph the xylem vessel is 2.80 cm in diameter. What is the diameter of the vessel itself?arrow_forwardmin where Given the equation p= m =13.75±0.06 and n =0.0787+0.0007. What is the absolute uncertainty in P? Select one: O a. 285±5 O b. 285±8 O c. 285+7 O d. 285±6arrow_forward
- Question 24 A car speeds past a police car parked on the side of the road. The police officer stops the car, and starts to write the driver a ticket for speeding. The driver said that they were only going 48 km/h in the 50 km/h zone. But the officer's radar gun recorded the car going 53 km/h. The radar gun has an uncertainty of 2 km/h. Which of the following statements is correct: It can not be determined if the car was indeed speeding since the range for the speed of the car is between 46 km/h and 55 km/h. ) There is not enough information given to answer this question. The car was not speeding and was going between 47.8 km/h and 48.2 km/h. O The car was indeed speeding and was going between 52.8 km/h and 53.2 km/h. O The car was not speeding and was going between 46 km/h and 50 km/h. The car was indeed speeding, and was going between 51 km/h and 55 km/h.arrow_forwardgive any analyzation about this uncertainty measurement in physicsarrow_forwardProblem Statement: A ruler is repeatedly used to measure the length L of an object to the nearest mm. To no one's surprise, each measurement of L to the nearest mm gives the exact same answer a What is the uncertainty in the measured length L? Grade S Deductic uncertainty Potentialarrow_forward
- Question 16 In one of the labs, a student found the length and width of a rectangular wooden board. The recorded values are as the following: length = 35.7 cm , width = 28.6 cm What is the perimeter of the wooden board: (HINT: Do not round your answer at this point, since the uncertainty is unknown at this point of time) 128.6 129 cm 128.6 cm 1021 1021 cm? O 129arrow_forwardCan the table be solved for and explained? I answered the uncertainty correctly but I am not sure where I am going wrong in the begining.arrow_forwardIf the results of the force measurements are F1 = (13.4 + or - 0.6) N and F2 = (18.4 + or - 0.7) N, what is the uncertainty in the net force (in N) (don't round)?arrow_forward
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegeUniversity Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice UniversityPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
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