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
Lilit [14]
3 years ago
9

Where does an electron in a metal get enough energy to escape from its atom as hypothesized in the photoelectric

Physics
2 answers:
Svetlanka [38]3 years ago
8 0

When energy from incident photons is transferred to the electrons, an electron in a metal get enough energy to escape from its atom as hypothesized in the photoelectric  effect.

Answer: Option D

<u>Explanation:</u>

At the point, when the light incident on a metal, electrons can be shot out from the outside of the metal in a wonder known as the photoelectric effect. This procedure is additionally frequently alluded to as photo emission, and the electrons that are shot out from the metal are called photo electrons. Regarding their conduct and their properties, photo electrons are the same as different electrons.

The prefix, photograph, basically discloses to us that the electrons have been shot out from a metal surface by incident light. In the light's wave model, Scientists predicted that expanding light amplitude increases the kinetic energy of radiated photo electrons while the increase in the intensity would increase in the estimated current.

Elina [12.6K]3 years ago
5 0

Answer:

D. Energy from incident photons is transferred to the electrons.

Explanation:

You might be interested in
A double-slit experiment is set up using red light (λ = 706 nm). A first order bright fringe is seen at a given location on a sc
Elanso [62]

Answer:

λ = 470.66 nm

Explanation:

for bright fringey_m = \frac{m\lambda D}{d}

D= distance between slit and screen

d= distance between the slits

for first order bright fringe m = 1,

        y_1 = \frac{1\lambda D}{d}

         y_1 = {706*D}{d}

for dark fringe,we have

y_m = {(m + 1/2)\lambda D}{d}    

Now to get the dark fringes at the same location we should have;

(706)D/d = (m + 1/2)λD/d    

put m = 1

(1 + 1/2)λ = (706)

λ = 470.66 nm

6 0
3 years ago
B. If we drop a ball from the roof, its falls<br>downward​
frosja888 [35]

Answer:

yes ,what's the question

and if the question is why

then it's for gravity

4 0
3 years ago
Read 2 more answers
Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique called magnetoencephalography, or
Stolb23 [73]

Answer:

I = (1.80 × 10⁻¹⁰) A

Explanation:

From Biot Savart's law, the magnetic field formula is given as

B = (μ₀I)/(2πr)

B = magnetic field = (1.0 × 10⁻¹⁵) T

μ₀ = magnetic constant = (4π × 10⁻⁷) H/m

r = 3.6 cm = 0.036 m

(1.0 × 10⁻¹⁵) = (4π × 10⁻⁷ × I)/(2π × 0.036)

4π × 10⁻⁷ × I = 1.0 × 10⁻¹⁵ × 2π × 0.036

I = (1.80 × 10⁻¹⁰) A

Hope this Helps!!!

3 0
4 years ago
A box is initially sliding across a frictionless floor toward a spring which is attached to a wall. the box hits the end of the
Serjik [45]
The elastic potential energy of a spring is given by
U= \frac{1}{2}kx^2
where k is the spring's constant and x is the displacement with respect to the relaxed position of the spring.

The work done by the spring is the negative of the potential energy difference between the final and initial condition of the spring:
W=-\Delta U =  \frac{1}{2}kx_i^2 -  \frac{1}{2}kx_f^2

In our problem, initially the spring is uncompressed, so x_i=0. Therefore, the work done by the spring when it is compressed until x_f is
W=- \frac{1}{2}kx_f^2
And this value is actually negative, because the box is responsible for the spring's compression, so the work is done by the box.
8 0
4 years ago
a fast charged particle passes perpendicularly through a thin glass sheet of index of refraction 1.5. The particle emits light i
NeX [460]

The minimum speed of the particle is the Speed of light in glass is c/μ=2×108m/s.

<h3>Why is the refractive index important?</h3>

The higher the refractive index the slower the light travels, which causes a correspondingly increased change in the direction of the light within the material. What this means for lenses is that a higher refractive index material can bend the light more and allow the profile of the lens to be lower.

Refractive index values are usually determined at standard temperature. A higher temperature means the liquid becomes less dense and less viscous, causing light to travel faster in the medium.

To learn more about the refractive index visit the link

brainly.com/question/23750645

#SPJ4

7 0
1 year ago
Other questions:
  • Compared to its weight on Earth, a 5kg object on the moon will weigh
    5·1 answer
  • Assume everyone in the United States consumes one soft drink in an aluminum can every two days. if there are 280 million america
    6·1 answer
  • Explain why sublimation and deposition are classified as physical changes
    13·1 answer
  • Which is not a way to conserve existing energy resources?
    8·2 answers
  • A plane coming in to land at a busy airport is asked to circle the airport until the air traffic congestion eases off. The pilot
    11·1 answer
  • How does the Colorado river enrich the lives of millions of people ?
    11·1 answer
  • A microscope using ultraviolet light is used to study bacteria. If the aperture diameter is 1.5 cm and it is desired to distingu
    12·1 answer
  • A box has a mass of 6.0 kg. What is its weight on the mars, where the acceleration due to
    8·1 answer
  • How much resistance is required to limit the current from a 12 V battery to 3.6 mA?
    6·1 answer
  • A ball is projected at an angle of 30° above the horizontal with a speed of 35 m/s. What will be its approximate horizontal rang
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!