White light falls on a yellow filter, if:
(a) A green filter is placed behind a yellow fi...
Physics, 23.02.2020 21:39 hannahbanana2000
White light falls on a yellow filter, if:
(a) A green filter is placed behind a yellow filter, what is the colour of the light that will emerge from the green filter?
(b) A blue filter is placed behind a yellow filter, what is the colour of the light that will emerge from the blue filter?
(c) A magenta filter is placed behind a yellow filter, what is the colour of the light that will emerge from the magenta filter?
(d) In all cases give reasons for your answer.
Answers: 3
Physics, 21.06.2019 21:20
Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market
Answers: 3
Physics, 22.06.2019 06:00
Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire
Answers: 1
Physics, 22.06.2019 13:00
Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg
Answers: 1
Mathematics, 28.10.2020 19:00
Mathematics, 28.10.2020 19:00
History, 28.10.2020 19:00
Mathematics, 28.10.2020 19:00
Spanish, 28.10.2020 19:00
Biology, 28.10.2020 19:00
Chemistry, 28.10.2020 19:00
English, 28.10.2020 19:00
Mathematics, 28.10.2020 19:00
Chemistry, 28.10.2020 19:00
Mathematics, 28.10.2020 19:00
Social Studies, 28.10.2020 19:00
Spanish, 28.10.2020 19:00
Mathematics, 28.10.2020 19:00
Geography, 28.10.2020 19:00