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
Rina8888 [55]
3 years ago
12

Suppose a sound wave and an electromagnetic wave have the same frequency. Which has the longer wavelength? 1. the electromagneti

c wave 2. the sound wave
Physics
1 answer:
Mashcka [7]3 years ago
7 0

Answer:

1. the electromagnetic wave.

Explanation:

Mathematically,

wavelength = velocity ÷ frequency

A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum. Mechanical waves require a medium in order to transport their energy from one location to another. A sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum.

Electromagnetic waves of different frequency are called by different names since they have different sources and effects on matter, increasing frequency decreases wavelength.

Sound waves (which obviously travel at the speed of sound) are much slower than electromagnetic waves (which travel at the speed of light.)  

Electromagnetic waves are much faster than sound waves and If the Velocity of the wave increases and the frequency is constant, the wavelength also increases.

You might be interested in
Which or the following is a science ? A. Physics B.astrology C. Football statics D. Language studies
d1i1m1o1n [39]
A. Physics

The study of how objects interact with each other
8 0
3 years ago
Read 2 more answers
If a 50 kg student is standing on the edge of a cliff. Find the student’s gravitational potential energy if the cliff is 40 m hi
saul85 [17]
The gravitational potential energy:
E p = m x g x h
where m is the mass and h is the height;
m = 50 kg,  g = 9.81 m/s² ,  h = 40 m
E p = 50 kg  x 9.81 m/s²  x  40 m
Answer:
E p = 19,620 J = 19.62 kJ
8 0
3 years ago
Read 2 more answers
Name and draw the devices that can convert digital signal to analog.
Elodia [21]

Answer:

modem, digital music players, optical communication

Explanation:

Photos of devices are attached. An example of R2R logic circuit is also attached. DAC conversion is also done via pulse code modulation

3 0
3 years ago
Knowledge of projectile motion might help you aim a basketball when you throw it so it is more likely to go into the basket. tru
8_murik_8 [283]

Answer: True.

Explanation:

You would be able to visualize the basketballs height going up and when it sinks down into the hoop.

5 0
2 years ago
The work function for tungsten metal is 4.52eV a. What is the cutoff (threshold) wavelength for tungsten? b. What is the maximum
Tanya [424]

Answer: a) 274.34 nm; b) 1.74 eV c) 1.74 V

Explanation: In order to solve this problem we have to consider the energy balance for the photoelectric effect on tungsten:

h*ν = Ek+W ; where h is the Planck constant, ek the kinetic energy of electrons and W the work funcion of the metal catode.

In order to calculate the cutoff wavelength we have to consider that Ek=0

in this case  h*ν=W

(h*c)/λ=4.52 eV

λ= (h*c)/4.52 eV

λ= (1240 eV*nm)/(4.52 eV)=274.34 nm

From this h*ν = Ek+W;  we can calculate the kinetic energy for a radiation wavelength of 198 nm

then we have

(h*c)/(λ)-W= Ek

Ek=(1240 eV*nm)/(198 nm)-4.52 eV=1.74 eV

Finally, if we want to stop these electrons we have to applied a stop potental equal to 1.74 V . At this potential the photo-current drop to zero. This potential is lower to the catode, so this  acts to slow down the ejected electrons from the catode.

5 0
3 years ago
Other questions:
  • The solid right-circular cylinder of mass 500 kg is set into torque-free motion with its symmetry axis initially aligned with th
    13·1 answer
  • What must the charge (sign and magnitude) of a particle of mass 1.49 g be for it to remain stationary when placed in a downward-
    15·1 answer
  • a car climbs 10.0 kilometers up a hill that inclines 8.0 degrees. what is the car's vertical displacement.
    10·1 answer
  • A wooden box is pushed with 100 N towards North
    8·1 answer
  • Say you dropped a cannonball from the 17–meter mast of a ship sailing at 2 meters/second. How far from the base of the mast will
    6·1 answer
  • Which step follows the identification of the problem in the technological design process?
    12·1 answer
  • Technician A says that one heater hose should be hot and the other hose cool if the heater is functioning okay. Technician B say
    14·1 answer
  • Two bumper cars move in a straight line with the following equations of motion: x1 = -4.0 m + (1.1 m/s )t x2 = 8.8 m + (-2.9 m/s
    12·1 answer
  • 1. True or False: Since the 1990s the USA has been working with Russia and
    6·1 answer
  • how fast would a(n) 73 kgkg man need to run in order to have the same kinetic energy as an 8.0 gg bullet fired at 430 m/sm/s ?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!