Physics, 02.01.2020 22:31 ShortCakes02

Sometimes a person cannot clearly see objects close up or far away. to correct this type of vision, bifocals are often used. the top half of the lens is used to view distant objects and the bottom half of the lens is used to view objects close to the eye. a person can clearly see objects only if they are located between 34 cm and 180 cm away from his eyes. bifocal lenses are used to correct his vision. what power lens (in diopters) should be used in the top half of the lens to allow him to clearly see distant objects

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 11:00, MoogleCaliS

How do we measure or think of speed in the united states?

Answers: 1

continue

Physics, 22.06.2019 14:00, smkw04p3ao0n

If element x has 99 protons how many electrons does it have

Answers: 1

continue

Physics, 22.06.2019 17:30, ciaotaylor

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.

Answers: 3

continue

Physics, 22.06.2019 18:00, jacob7758

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above

Answers: 1

continue

You know the right answer?

Sometimes a person cannot clearly see objects close up or far away. to correct this type of vision,...