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
jek_recluse [69]
3 years ago
5

If the frequency of an electromagnetic wave is too high or too low. A) It cannot be seen. B) It is no longer a wave. C) It is no

longer an electromagnetic wave. D) It becomes a sound wave
Physics
1 answer:
CaHeK987 [17]3 years ago
7 0
If the frequency of an electromagnetic wave is too high or too low : C. It is no longer an electromagnetic wave
If the frequency is too high or too low,  the skin depth pf the electromagnetic wave will not be comparable to the plasma length

hope this helps
You might be interested in
A flock of geese is flying south for the winter. In order to maintain a “V” shape, each goose is flying at the same constant vel
Novosadov [1.4K]
B the goose with most mass
this is because momentum=mass x acceleration
so a larger mass will give a larger momentum ( acceleration stays constant)
3 0
3 years ago
Two point charges are placed on the x-axis as follows: charge q1 = 3.95 nC is located at x= 0.198 m , and charge q2 = 4.96 nC is
Yuki888 [10]

Answer:

F = 2.40 × 10^{-6}  N

Explanation:

given data

charge q1 = 3.95 nC

x= 0.198 m

charge q2 = 4.96 nC

x= -0.297 m

solution

force on a point charge kept in electric field F = E × q       ................1

here E is the magnitude of electric field and q is the magnitude of charge

and

first we will get here electric field at origin

So net field at origin is

E = (Kq2÷r2²) - (kq1÷r1²)           ...............2

put here value

E = 9[(4.96÷0.297²)-(3.95÷0.198²)]

E = 400.72 N/C        ( negative x direction )

so that force will be

F = 6 × 10^{-9} × 400.72

F = 2.40 × 10^{-6}  N

7 0
3 years ago
A __________ has distinct properties and composition that never vary. A) solution B) molecule C) pure substance D) heterogeneous
Nataly [62]
Matter is defined as anything that has mass and occupies space, it may be classified into three states, solid, liquids or gases. Molecules is the smallest particle of an element that has the chemical properties of the element or the compound. it contains two or more atoms that are joined together. A pure substance is a matter that has distinct properties and a composition that does not vary from sample to sample. Thus the correct answer is C
8 0
3 years ago
Read 2 more answers
The Balmer series is formed by electron transitions in hydrogen that
yulyashka [42]

Answer:

b. end on the n = 2 shell.

Explanation:

When hydrogen atoms move from higher energy level to lower energy level then it shows spectral lines and these lines are known as Balmer series. The only four lines are visible and other liens are not in the visible range.

The Balmer series formed by hydrogen electron and it ends when n = 2.

Therefore the answer is b.

b. end on the n = 2 shell.

8 0
3 years ago
Why does the emission spectrum of hydrogen or unknown source have a distinct line spectrum instead of a continuous one?
aleksandr82 [10.1K]

Answer

When an electron makes transition from a state of higher energy to a state of lower energy it does so by emitting energy in form of radiation in the visible spectrum of light.

Since the basic postulates of the atomic theory is that the energy that the electron possess in it's orbit's takes only discrete values and cannot take any random value thus when an electron makes a transition from a state of higher energy to state of lower energy it will emit radiation with energy equal to difference between the energy levels of the 2 orbit's thus we only observe discrete lines.

Mathematically when an electron makes a transition between states the wavelength of light it releases is given by

\frac{1}{\lambda }=R_{\infty }(\frac{1}{n_{1}^{2}}-\frac{1}{n_{2}^{2}})

where R_{\infty } is Rydberg constant

n_{1} is upper energy level

n_{2} is lower energy level

thus we can see that only discrete wavelength's are released and not continuous wavelength's of light.

3 0
4 years ago
Other questions:
  • A baseball with a mass of 0.145 kilograms collides with a bat at a velocity of 44 meters/second. The ball bounces off the bat wi
    8·2 answers
  • How does Pascal's principle describe pressure throughout a fluid?
    10·1 answer
  • What is motion define three types of motion with examples
    13·1 answer
  • The force needed to keep a car from skidding on a curve varies jointly as theweight of the car and the square of the car’s speed
    7·1 answer
  • The outer layer of bone _____.
    14·1 answer
  • when we touch a steel rod and a paper simultaneously we feel that the rod is comparatively colder .why?
    13·1 answer
  • If a spring has a spring constant of 2 N/m and it is stretched 5 cm, what is the force of the spring?
    6·1 answer
  • A subwoofer needs a household voltage of 110 V to push a current of 5.5 A through its coil. What is the resistance of the subwoo
    7·1 answer
  • On earth, how can you tell up from down
    9·1 answer
  • Ans it fastly <br>i need the ans fastly ​<br>NO SPAM
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!