scottelijahel2445 scottelijahel2445

02-07-2021
Physics

contestada

Glass lenses are practically opaque to an emission source with the wavelength shorter than 400nm. (True or False)

Respuesta :

moya1316 moya1316

04-07-2021

Answer:

the statement is TRUE

Explanation:

Most lenses are made of glass that has a strong absorption below 400 nm,

Only special evaporation lenses are made of quartz and fused silica which has a high absorption below 200 nm.

therefore the statement is TRUE

Answer Link

Otras preguntas

Which type of galaxy is too small for gravity to form it into an easily describable shape? a. spiral b. irregular c. elliptical d. barred spiral

Which term describes a society that has been radically changed by technology? a. postindustrial b. postmodern c. preglobal d. pretechnological

How would you solve this?

Tim is now earning $500 per week after receiving an increase of $45 per week. What was Tim's previous weekly salary

What is an example of limits placed upon the Free Exercise Clause? a. cannot practice atheism c. cannot use school facilities for church services, outside sch

How are latitude and climate related? a. Lower latitudes are generally cooler. b. Lower latitudes are generally warmer. c. Higher latitudes are generally war

what is one way water routes affect where people build communities?

Constantine's government in Constantinople was highly: ecumenical inefficient democratic centralized

Which students of Schoenberg continued his work with Serialism in music? Berg Weber Webern Monet Kafka

If I wanna records a game and my voice need to be in the video what app I download. (There is no options)