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

What are the factors of the expression? 6/7cd
what is the reason egyptians equated the pharaoh with the gods and considered him to be the son of Re,the egyptians sun god
Statements that are true 7(2w-4)
A customer went to a garden shop and bought some potting soil for $12.50 and 6 shrubs. If the total bill was $71.00, how much did each shrub cost if they all co
Question 1: ¿Qué hace una persona en buena forma? Question 2: ¿Cuándo necesitas ir al doctor? Question 3: ¿Qué hace cada dia? (***Usa 3 verbos reflexivos en la
magma is made of melted materials or _______ materials A. extrusive B. molten C. cooled D. intrusive
compare and contrast the characteristics of the ocean and ocean water
What are some of the reasons for creating trojans?
Now return to your book, and select a poem from whitman or dickinson that you did not study in the unit. explain how the poem reveals romantic thinking. cite ex
The person who wrote most of the letters in the new testament