Why is a red laser pointer an example of a poor blackbody radiator?
A. It glows less brightly as electromagnetic radiation is released.
O B. It gives off a range of wavelengths of electromagnetic radiation.
C. It gives off only one wavelength of electromagnetic radiation,
D. It keeps the same temperature and gives off no electromagnetic
radiation
A red laser pointer is a poor blackbody radiator because it emits electromagnetic radiation at only one wavelength. So, the correct option is C.
What is blackbody radiator?Depending on its temperature, a blackbody radiator is an object that radiates at different wavelengths. Blackbody radiation is the radiation that a blackbody radiator emits, and it exhibits a certain pattern known as Planck's law.
A red laser pointer, on the other hand, produces a narrow, focused beam of light at a specific wavelength, typically around 650 nanometers. This indicates that, unlike a blackbody radiator, a laser pointer does not generate radiation at different wavelengths. A red laser pointer is therefore a subpar blackbody radiator.
Therefore, the correct option is C.
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Give the mRNA strand for the following DNA strand: ATACGATA
A. TATGCTAT
B. UAUGCUAU
C. TUTCGAUA
D. UATGCUAT
Answer:
every t is changed to u, the rest is the same.
Explanation:
B. UAUGCUAU
Tropical islands have consistently warm climates because
they are near the equator.
they are popular tourist destinations.
they are surrounded by cool currents.
islands always have warmer climates than large land masses.
Answer:
they are near the equator
Explanation:
closest to the sun
If a DNA strand has 23 % guanine before semi conservative replication occurs, what percent Thymine will each new strand have after replication?
Answer:
27%
Explanation:
DNA is a linear molecule composed of four nucleotide bases: adenine (A), cytosine (C), guanine (G), and thymine (T). Chargaff's rules state that adenine (A) always pairs with thymine (T), while guanine (G) always pairs with cytosine(C). In consequence, the amount of G should be equal to the content of C, while the amount of T should be equal to the content of A. In this case, the content of G is 23% and the content of C is also 23%, so the remaining content (A + T) is equal to 54% [100 - (23 + 23) = 54%], thereby content of A is equal to 27% and the content of T is also 27% (27 + 27 = 54%).
About how many cells make up the human body?
Answer:
deeevw ervewfwe wvf
Explanation:
How do ecologists define an ecosystem?
Answer:
An ecosystem consists of all the organisms in an area, the community, and the abiotic factors that influence that community. Ecosystem ecologists often focus on flow of energy and recycling of nutrients. Biosphere: The biosphere is planet Earth, viewed as an ecological system.
what is the full form of ATP???????????????????????
Answer:
Adenosine triphosphate
What do plant-like protists contain that make them similar to plants?
a) DNA
b) ribosomes
c) amino acids
d) chlorophyll
Answer:
d
Explanation:
Which situation is MOST likely to cause sympatric speciation?
A
Galapagos tortoises developing differently on two different islands
B
changes in two deer populations after an earthquake separates them
C
a forest bird population dividing into two as they eat different seeds
D
Oceania splitting up to separate koalas and Tasmanian tigers
what type of carbon sink does the author propose people use?
Answer: Underground facilities that previously contained fossil fuels
Explanation:
In the attached passage, the author speaks on how natural carbon sinks such as trees and oceans can not be trusted with holding Carbon dioxide indefinitely because oceans are reaching their holding limits and trees are being cut down on a massive scale.
The author suggestion to mitigate this is to convert underground facilities such as oil and gas wells that previously held fossil fuels until they were pumped out. The author claims that the technology to do so is already present and that there are ways this could be made inexpensive.
limiting factors operate when growth is exponential (true or faulse)
Answer:true
Explanation:
Can someone tell me what this is?? I’m pretty sure it’s not petrified wood, and it’s definitely not bismuth.
And..Socratic can help! This learning app, powered by Google AI, helps you understand your school work at a high school and university level. Ask Socratic a question and the app will find the best online resources for you to learn the concepts.
hurry due in five min plz help
Option 1 seems to be correct
6. In a population which is in Hardy-Weinberg equilibrium, what would be the frequency of heterozygotes for
alleles A and a (i.e. genotype Aa), when the frequency of the allele a is 0.6?
a. 1.2
b. 0.16
c. 0.48
d. 0.45
Please show formula. I am lost
1.2 is correct aanser
yes it is correctly
Which of the following does not cause our body temperature to go up?
a
sleep
b
stress
c
fever
d
exercise
What property of water allows the
oceans’ water to store carbon dioxide?
Answer:
The difference in pCO 2 is related to the amount of carbon that is converted from CO 2 gas to other nongaseous carbon species in the sea water, like bicarbonate and carbonate ions. This so-called "buffer capacity" is what allows the oceans to hold so much carbon.
Explanation:
Is eclogite a mineral or a rock?
Answer:
yea
Explanation:
Eclogite, any member of a small group of igneous and metamorphic rocks whose composition is similar to that of basalt. Eclogites consist primarily of green pyroxene (omphacite) and red garnet (pyrope), with small amounts of various other stable minerals—e.g., rutile.
From google btw
Plz help i have an hour
Answer:
you should have study harder
Explanation:
good luck though
c. At_____sweat and sebaceous glands become more active.
Answer:
salt
Explanation:
What kind of atoms are in an amino acid?
Answer:
The term amino acid is short for α-amino [alpha-amino] carboxylic acid. Each molecule contains a central carbon (C) atom, called the α-carbon, to which both an amino and a carboxyl group are attached. The remaining two bonds of the α-carbon atom are generally satisfied by a hydrogen (H) atom and the R group.
Explanation:
Which type of archaebacteria lives in the intestines of cows?
O a) halophiles
b) methanogens
c) thermophiles
d) acidophiles
Answer:
b Methanogens
Explanation:
No need for it
Michael was watching the rain hit the sidewalk in front of his house. After a few minutes, he noticed a change in the precipitation and saw that the
precipitation had changed into ice pellets
The falling ice pellets later changed back to rain, and then the rain stopped and the sun came out. Relate each stage of the water to cycle to the way
it affects the weather.
Answer: Water cycle is a complex cycle of water in which the water is changed into various forms like solid, liquid, and gases.
Explanation:
In the higher atmosphere the water vapors condense to form clouds and they club to form the ice crystals. These ice crystals when strikes on the ground as precipitate or ice pellets again changes its form from solid to liquid rain. The precipitation can be in the form of rain or wet snow. The rain stops when the concentration of water vapors in the higher atmosphere reduces and sun may come out.
The water cycle is a complex cycle of water in which the water is changed into various forms like solid, liquid, and gases.
Define the water cycle?The water cycle illustrates the continuous action of water within the Earth and atmosphere. It is a complicated system that has many different processes.
Liquid water evaporates into water vapour, condenses to form clouds, and precipitates back to earth in the form of rain and snow.
Thus, water is changed into various forms like solid, liquid, and gases.
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PLEASE HELP!
Part A
To get started, follow these steps:
1. Open the NOAA Tides and currents map webpage.
2. Click Massachusetts. Or use the menu on the right-hand side to select Massachusetts from the
drop-down menu labeled "zoom to region."
3. Use the menu to scroll down and select the southeastern coastal city of Woods Hole. Or enter
Woods Hole in the "search for station" box.
Analyze the water level graph that appears. Notice that the y-axis shows the height of the tides, and the
X-axis provides the time intervals. The time 00:00 is midnight and 12:00 is noon. Look at the red Water
Levels data in terms of a single day (for example, from 00:00 to 00:00), and note the number of high and
low tides that typically occur in Woods Hole. Use the data from the graph to complete the following
table.
Location: Woods Hole, Massachusetts
Average Height (feet) Amount of Time Between Each Occurrence (hours)
Number of Tides in a Day
High Tides
Low Tides
This activity is not yet graded but this is what I came up with. I hope it helps you a little!
Answer:
Location: Woods Hole, Massachusetts
Number of Tides in a Day Average Height (feet) Amount of Time Between Each Occurrence (hours)
High Tides 2 2.42 12.5 hours
Low Tides 2 0.015 12.5 hours
Explanation:
do any other planets have moons and if so how are they similar to ours
Answer:d3e3
Explanation:23ef
f3
Identify the functions of the labeled parts.
Answer:
A. Carries urine to bladder
B. Excretes urine out of body
C. Stores urine temporarliy
D.Produces urine
Explanation: Hope this helps!!
The identification of the functions of the labeled parts is as follows:
A. Carries urine to bladder
B. Excretes urine out of body
C. Stores urine temporarliy
D.Produces urine
In this way, the identification could be made
learn more: https://brainly.com/question/1605083?referrer=searchResults
The area where the river and ocean meet and form a fan shape is called?
A Water Shed
A River Basin
A Wetland
A Delta
Which allele for human blood type is recessive?
O AB
OIB
Oi
OO
Answer:
oo
Explanation:
what is it called if an ecosystem is changed by rising water temperature? Is it a physical, biological, or chemical change?
All natural resources are non-renewable resources, such as metals and timber.
False
True
Answer:
Natural resources are usually either renewable or non-renewable.
Explanation:
Timber is a renewable resource because of the regrowth of forests.
Although the elements and resources that go into producing metal products are nonrenewable, metal can be recycled, making it a hybrid between renewable and nonrenewable classification
Answer:
False
Explanation:
after 1min I will post a question for brainlist
Answer:
ok
Explanation: