Ch 19 8. A nearsighted person has glasses with a prescription of -6.25 D. What is...

Ch 19

8. A nearsighted person has glasses with a prescription of -6.25 D. What is the farthest he can see clearly without corrective lenses (far-point)? 16 cm

9. A farsighted person has a near-point of 75 cm. What prescription should his glasses have to bring his near-point to 25 cm? 2.67 D

10. A person with a far point of only 25 cm wants glasses that he can wear while using a computer monitor 65 cm away from his eyes. What refractive power do these glasses require? -2.46 D

11. A 2 cm tall object is projected as a 8 cm tall real image.

a) What is the focal length of the lens if the object is 5 cm from the lens? 4 cm

b) Is the lens convex or concave? Convex

Solutions

Expert Solution

genius_generous answered 2 weeks ago

Next > < Previous

Related Solutions

What does discipleship entail according to Mark Ch. 8, 9, and 10?

What are some ways that coronavirus (COVID-19) affects a person physiologically?

Question 4 ch 8 Lou Barlow, a divisional manager for Sage Company, has an opportunity to...

Question 4 ch 8 Lou Barlow, a divisional manager for Sage Company, has an opportunity to manufacture and sell one of two new products for a five-year period. His annual pay raises are determined by his division’s return on investment (ROI), which has exceeded 24% each of the last three years. He has computed the cost and revenue estimates for each product as follows: Product A Product B Initial investment: Cost of equipment (zero salvage value) $ 320,000 $...

Nausea as Conside Fatigue 19. the person you are caring for has a PPS of 40%...

Fatigue 19. the person you are caring for has a PPS of 40% and is very fatigued, what comfort strategies can you suggest that might help them have the energy to accomplish their priority activities? Complete the table below. How you might prevent fatigue.What you might ask a dying person to better understand their needs. Comfort measures that might be helpful. Mouth Discomfort 20. Complete the table below. What you might observe if a person has a dry mouth what you might ask a dying person to...

ch 8 exer #4 Via Gelato is a popular neighborhood gelato shop. The company has provided...

ch 8 exer #4 Via Gelato is a popular neighborhood gelato shop. The company has provided the following data concerning its operations: Fixed Element per Month Variable Element per Liter Actual Total for June Revenue $ 19.00 $ 111,530 Raw materials $ 5.35 $ 33,830 Wages $ 6,300 $ 2.10 $ 18,900 Utilities $ 2,330 $ 0.90 $ 8,100 Rent $ 3,300 $ 3,300 Insurance $ 2,050 $ 2,050 Miscellaneous...

CH 8 1. A simple random sample of 900 individuals provides 300 Yes responses. a. What...

CH 8 1. A simple random sample of 900 individuals provides 300 Yes responses. a. What is the point estimate of the proportion of the population that would provide Yes responses (to 3 decimals, if needed)? b. What is your estimate of the standard error of the proportion (to 4 decimals)? c. Compute the 95% confidence interval for the population proportion (to 3 decimals). ( , ) 2. A simple random sample of 60 items resulted in a sample mean of...

Based on Mankiw's Why It Matters: Can Investors Outperform the Magic 8-Ball? in ch 27, what...

Based on Mankiw's Why It Matters: Can Investors Outperform the Magic 8-Ball? in ch 27, what is the answer from the Magic 8-Ball for the stock market predictions over the next year?

An individual is presented with three different glasses of cola, labeled C, D, and P. He is asked to taste all three and then list them in order of preference. Suppose the same cola has actually been put into all three glasses.

An individual is presented with three different glasses of cola, labeled C, D, and P. He is asked to taste all three and then list them in order of preference. Suppose the same cola has actually been put into all three glasses. (a) What are the simple events in this ranking experiment, and what probability would you assign to each one? (b) What is the probability that C is ranked first? (c) What is the probability that C is ranked...

Treatment of a person diagnosed with COVID-19 is starting. What test would you recommend to someone...

Treatment of a person diagnosed with COVID-19 is starting. What test would you recommend to someone who wants to understand whether the treatment is effective?

An arithmetic sequence has the first term a1 = 18 and common difference d = −8. What are the first five terms?

Subjects