Physics, 29.07.2021 04:50 rachael382
A 5.85-mm-high firefly sits on the axis of, and 13.7 cm in front of, the thin lens A, whose focal length is 5.01 cm. Behind lens A there is another thin lens, lens B, with focal length 25.9 cm. The two lenses share a common axis and are 62.5 cm apart. 1. Is the image of the firefly that lens B forms real or virtual?
a. Real
b. Vrtual
2. How far from lens B is this image located (expressed as a positive number)?
3. What is the height of this image (as a positive number)?
4. Is this image upright or inverted with respect to the firefly?
a. Upright
b. Inverted
Answers: 2
Physics, 22.06.2019 23:30
Which system of units is used by only a small number of countries in the world, including the u.s.
Answers: 3
Physics, 23.06.2019 05:30
Which if these is an etiquette rule? (american football) question 10 options: a. debating with the ref over a call b. not communicating with your team c. post-game handshake d. taunting
Answers: 1
Physics, 23.06.2019 08:00
Aball is rolled uphill a distance of 5 m before it slows, stops, and begins to roll back. the ball rolls downhill 9 m before coming to rest against a tree. what is the magnitude of the balls displacement? a. 4 meters b. 9 meters c. 14 meters d. 45 meters
Answers: 2
Physics, 23.06.2019 12:00
Awave is propagating from left to right in a medium. the particles in the medium are also vibrating from left to right. what kind of wave does this describe? a. longitudinal wave b. transverse wave c. mechanical wave d. electromagnetic wave
Answers: 2
A 5.85-mm-high firefly sits on the axis of, and 13.7 cm in front of, the thin lens A, whose focal le...
History, 04.08.2019 09:00
English, 04.08.2019 09:00
Mathematics, 04.08.2019 09:00
Biology, 04.08.2019 09:00
Business, 04.08.2019 09:00
Biology, 04.08.2019 09:00
Biology, 04.08.2019 09:00
History, 04.08.2019 09:00
Biology, 04.08.2019 09:00
English, 04.08.2019 09:00
Mathematics, 04.08.2019 09:00
Biology, 04.08.2019 09:00
English, 04.08.2019 09:00
Mathematics, 04.08.2019 09:00
English, 04.08.2019 09:00
Mathematics, 04.08.2019 09:00