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
xenn [34]
3 years ago
13

7. A photon of violet light has a frequency of 7.57 x 10' Hz. How much

Physics
1 answer:
hichkok12 [17]3 years ago
8 0

Answer:

3.13 eV

Explanation:

E = hf

f =7.57 x 10' Hz.

h = 6.62× 10-34Js

E = 6.62× 10-34 × 7.57 x 10' Hz

E = 5.011× 10^ -30 J

1eV = 1.6×10^-19J

Hence ,

5.011× 10^ -30 J ÷1.6×10^-19J

= 3.132×10^-49

You might be interested in
What is the reason behind superposition?why waves behave this way?
marshall27 [118]

Explanation:

Most waves appear complex because they result from two or more simple waves that combine as they come together at the same place at the same time—a phenomenon called superposition. Waves superimpose by adding their disturbances; each disturbance corresponds to a force, and all the forces add

introurself please

4 0
3 years ago
What organ system sends signals from the brain to the muscles?
AlladinOne [14]
C. nervous system, because its triggers 
8 0
2 years ago
2 cannons fire projectiles upwards with the same velocity. The
dybincka [34]

Answer:

Explanation:

Given

Two projectile is fired vertically upward

One has 4 times the mass of other

When Projectile is fired their trajectory is independent of mass of object. Also if they launched with same speed then both achieved same maximum height in same time and will hit the ground at the same moment.

3 0
3 years ago
List two elements that have the same reactivity
timama [110]

Answer:

electron and neutron

Explanation:

4 0
3 years ago
Read 2 more answers
Answer this please. thanks in advance!! please tel me                                                                 a christma
saw5 [17]
If 50 identical light bulbs are connected in series across
a single power source, then the voltage across each bulb
is ( 1/50 ) of the voltage delivered by the power source.
6 0
3 years ago
Read 2 more answers
Other questions:
  • Define mechanical clock
    13·1 answer
  • A laser with wavelength d/8 is shining light on a double slit with slit separation 0.300 mm. This results in an interference pat
    15·1 answer
  • A piece of plastic is uniformly charged with surface charge density n1.
    14·1 answer
  • PLEASE HELP ME
    7·1 answer
  • mass is tied to spring and begins periodically . the distance between its highest and its lowest position is 48cm. what is the a
    15·1 answer
  • Please help!!! give me a summary on why human population is either good or bad!! thank youu
    13·1 answer
  • What is the electric field 3.9 m from the center of the terminal of a Van de Graaff with a 6.60 mC charge, noting that the field
    11·1 answer
  • A rock from the top of a hill is falling from rest.
    9·1 answer
  • Can y’all please help
    11·1 answer
  • What kind of data does doppler radio provide
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!