vintageandre
30.08.2019 •
Physics
What type of optical device can be used to correct farsightedness?
a. any lens
b. a convex lens
c. a concave lens
d. any convex device
Solved
Show answers
More tips
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- C Computers and Internet How to Learn to Type Fast?...
Answers on questions: Physics
- P Physics How does the principle of moments affect the couple in physics...
- P Physics Longitudional waves travel through a series of and...
- P Physics The reaction mixture represented above is at equilibrium at 298 k. the value of the equilibrium constant for the reaction is 16 at 298 k. if r(g), x(g) and z(g) each have an equilibrium...
- P Physics Astationary 1.42 kg object is struck by a stick. the object experiences a horizontal force given by f = at - bt3 , where t is the time in milliseconds from the instant the stick first...
- M Mathematics Lamont works for an electric utility and is installing a 40 foot utility pole. lamont drills the anchor of support cable into the ground 15 feet from the base of the pole. what is...
- M Mathematics Will mark brainlest find the height of the room 10 m long and 5m wide , the area whose floor and celling together is equal to the area of the 4 walls. hint.ans=3.33m...
- M Mathematics Fulton is building a doghouse. he cuts 5 equal-sized pieces from a board that is 15 feet long. after cutting the pieces, he has 2 which of these equations and expressions will, when...
- B Biology Describe 3 ways in which materials are transported across the cell membrane...
- P Physics What is common between transverse waves and longitudinal waves...
- H History What impact did mongol leaders genghis khan and kublai khan have on europe? a. they introduced eastern culture and literature to europeans.answer is c. they and their armies raided...
Ответ:
Option (B )
Explanation:
Farsighted Ness is the defect of vision in which a person is not able to see the nearby devices but can see the far off objects clearly.
In this case the rays of light focus behind the retina.
To correct this defect the person should use convex lens of suitable focal length.
Ответ:
Therefore,
Number of atoms = (mass/molar mass)*Avogadro's number = (7.90/22.99)*1.36*10^23 = 4.67*10^22 atoms.
Then,
Number of molecular orbitals = 4.67*10^22