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prohojiy [21]
3 years ago
8

A(n)... is a material that takes in a wave when the wave hits it

Physics
1 answer:
pentagon [3]3 years ago
5 0
Absorber, it absorbs the light, like a black shirt is an absorber.. 
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Sanitation can be accomplished by all of the means except
Nonamiya [84]

Answer:

Air drying

Explanation:

Sanitation is the set of measures that aims to preserve or modify the conditions of the environment in order to prevent diseases and promote health, improve the quality of life of the population and the productivity of the individual and facilitate economic activity. Basic sanitation is a right guaranteed by the Constitution as the set of services, infrastructure and operational installations for water supply, sanitary sewage, urban cleaning, urban drainage, solid waste and rainwater management.

Sanitation can be carried out in several ways, except for dry air, as this would damage the quality of sanitation and the environment.

Sanitation is important in treated water, sewage collection and treatment services lead to an improvement in the quality of people's lives, especially in child health, with a reduction in child mortality, improvements in education, in the expansion of tourism, in the valuation of properties, in income of the worker, in the cleaning of rivers and preservation of water resources, etc.

5 0
3 years ago
Which of the following is required to change the scientific knowledge base
Ksenya-84 [330]
Scientific knowledge is based upon observation, and it is supplemented by experimentation.<span> Scientific research follows the scientific method, a four-step process that guides scientists in the accumulation of knowledge.</span>
5 0
3 years ago
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wave
Llana [10]

Explanation:

It is given that,

The thinnest soap film appears black when illuminated with light with a wavelength of 535 nm, \lambda=5.35\times 10^{-7}\ m

Refractive index, \mu=1.33

We need to find the thickness of soap film. The soap film appear black means there is an destructive interference. The condition for destructive interference is given by :

2t=m\dfrac{\lambda}{\mu}

t = thickness of film

m = 0,1,2....

\mu = refractive index

t=m\dfrac{\lambda}{2\mu}

t=\dfrac{\lambda}{2\mu}

For thinnest thickness, m = 1

t=1\times \dfrac{5.35\times 10^{-7}\ m}{2\times 1.33}

t=2.01\times 10^{-7}\ m

Hence, this is the required solution.

6 0
3 years ago
The images formed by diverging (concave) lenses are always _____. real virtual upright inverted magnified diminished
amid [387]
The answer is virtual.
5 0
3 years ago
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Which statement describes the difference between ionic bonds and Van der
Afina-wow [57]

Answer:

C. lonic bonds involve the transfer of electrons between ions, while

Van der Waals forces involve the attraction of nonpolar molecules.

Explanation:

Just did it

4 0
2 years ago
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