1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
yuradex [85]
3 years ago
9

I need help please, thanks!

Chemistry
1 answer:
oee [108]3 years ago
5 0

Answer:

This question is somehow not clear, because a typical human eye can notice objects which have wavelengths from about 380 to 740 nanometers. This is called visible spectrum (the portion of the electromagnetic spectrum that is visible to the human eye). Electromagnetic radiation in this range of wavelengths is called visible light or simply light.

Someone even can see extra colors - they able to see beyond the visible spectrum. The reason that the human eye can see the spectrum is because those specific wavelengths stimulate the retina in the human eye. The human retina can only detect incident light that falls in waves from about 380 to 740 nanometers long, so we can’t see microwave or ultraviolet wavelengths. This also applies to infrared lights which has wavelengths longer than visible and shorter than microwaves, thus being invisible to the human eye.

In conclusion, the human eye can not notice that objects with wavelength not in the range of 380 to 740 nanometers.

Explanation:

You might be interested in
Which statement best describes weather?
Hatshy [7]

Answer:

Weather is describes as the term of the temperature, humidity, wind velocity, precipitation, and barometric pressure. It usually happens in the troposphere, or lower atmosphere. (Hope this helped!)

Explanation:

7 0
3 years ago
Which is a chemical property of soda ash?
MrRissso [65]
A chemical property of soda ash is that it is an alkaline compound , of pH 11.6 in aqueous solution. The chemical name of soda ash is sodium carbonate. It is a sodium salt of carbonic acid and occurs as a white crystalline compound. It has a cooling alkaline taste. It can be found in the ashes of many plants. It is produced in large quantities from sodium chloride (common salt). It can be found as a mineral in mineral deposits of natron usually in seasonal lakes when the lakes dry up.
4 0
3 years ago
How much heat is needed to raise the temperature of 100g of an iron from 25°C to
Black_prince [1.1K]

Answer:

382.5J

Explanation:

<em>Use the formula:</em>

E = mcΔθ or Q = mcΔT

m = 100g

c = 0.45 J/g°C

ΔT or Δθ = 110 - 25 = 85°

<em>Sub in the values:</em>

E = 100 × 0.45 × 85

= 382.5J

5 0
3 years ago
What does a gamma ray primarily consist of?
damaskus [11]
Answer is D

Explanation: A gamma ray primarily consists of pure energy and no mass.
6 0
3 years ago
What would be the formula for an alkane which contains 30 hydrogen atoms? C__H30 16 18 14 15
Sladkaya [172]
The formula would be C14H30.
6 0
3 years ago
Read 2 more answers
Other questions:
  • WILL MARK BRAINLIEST!!<br><br><br> How is a map an example of a model?
    14·1 answer
  • How many grams of water will form when 10.54g of h2o react with 95.10g of O2
    8·1 answer
  • 63<br> 84/<br> 85<br> 86<br> 87/<br> 88<br> 891<br> 901<br> 911<br> 921
    13·1 answer
  • If I have 36ml of water and 64ml of guava juice to make a 100ml solution, what would the percent composition be?
    11·1 answer
  • Chose one that best fits the question
    15·2 answers
  • Which of the following is not an example of temperature abuse ?
    11·2 answers
  • 24g copper is submerged in water in a graduated cylinder, the total volume increases bu 2.7ml what is the density of copper
    10·1 answer
  • A certain chemical contains 46.30% chlorine, 47.05% carbon, 6.63% hydrogen. What is the molecular formula of the compound? The m
    12·1 answer
  • I have it attached plz help ASAP
    14·1 answer
  • What is the atomic mass of w
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!