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 is the amount of the risk premium on a U.S. Treasury bill if the risk-free rate is 2.8 percent and the market rate of return is 8.35 percent
I am a 2 digit number ,my two digit and the sum of my digit are in sequence .what number I am?
Which one of the following is not an example of convection? An eagle soars on an updraft of wind. A person gets a suntan on a beach. An electric heater warms a
Expand the following using the Binomial Theorem and Pascal’s triangle (2x − 3y)^4
A scientist who studies fossils of ancient life forms .O ornithologist O Paleontologist O Ichthyologist O Marine Biologist . Hurry !! First one to answer gets
For each of the regions, use the midpoint method to identify whether the supply of this good is elastic or inelastic. Region Elastic Inelastic Between W and X B
Which number produces an irrational number when multiplied by 3/4
PLZ HELP its due soon!!!
The prime factorization of K is: K = 3x5x7. List all the composite factors of K.
Given the functions below, find f(x)+g(x) CHECK MY ANSWERS PLEASE