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
Sedbober [7]
3 years ago
14

Part A (4 pts) Consider light of wavelength λ = 670nm traveling in air. The light is incident at normal incidence upon a thin fi

lm of oil with n2 =1.75. On the other side of the thin film is glass with n3 =1.5. What is the minimum non-zero value of the film thickness d that will cause the reflections from both sides of the film to interfere constructively?
Physics
1 answer:
s344n2d4d5 [400]3 years ago
6 0

Answer:

Explanation:

On both sides of the film , the mediums have lower refractive index.

for interfering pattern from above , for constructive interference of reflected wave from both sides of the film , the condition is

2μt = ( 2n +1 ) λ / 2

μ is refractive index of film ,t is thickness of film λ is wavelength of light

n is order of fringe

for minimum thickness

n = 0

2μt =  λ / 2

t =  λ / 4μ

= 670 / 1.75 x 4

= 95.71 nm .

You might be interested in
If you increase the resistance in a series circuit, ________________
GrogVix [38]
B) the current will decrease 

6 0
3 years ago
NEED HELP ASAPPPPPPP!
AlekseyPX

Answer:

Changeable. Answer is c

Explanation:

3 0
3 years ago
Read 2 more answers
You repeated a measurement 6 times and recorded the time using a stop watch: 5.8s, 4.6s, 4.8s, 5.1s, 4.3s, 4.6s. What average va
iVinArrow [24]

Answer and Explanation

Arranging the measured values in increasing order;

4.3s, 4.6s, 4.6s, 4.8s, 5.1s, 5.8s

The two outliers are obviously 4.3s and 5.8s; An outlier is a value in a statistical sample which does not fit a pattern that describes most other data point. Outliers make the average value complicated. So, it is usually better for data to be precise with data points spreading out around a small area.

So, the mean is the average of the four remaining data points after removing the outliers.

Mean = (4.6 + 4.6 + 4.8 + 5.1)/4

Mean = 4.775s

So, the value recorded should be 4.775s, 4.78s or 4.8s depending on the number of decimal places allowed.

QED!

8 0
3 years ago
Why is it important to study electromagnetic waves?
labwork [276]
The study of EM is essential to understanding the properties of light, its propagation through tissue, scattering and absorption effects, and changes in the state of polarization. ... Since light travels much faster than sound, detection of the reflected EM radiation is performed with interferometry.
3 0
3 years ago
The movement of water into the atmosphere as it changes from a liquid to a gas is called _____.
nekit [7.7K]
Evaporation . Because it drys up and turns into gas
5 0
3 years ago
Read 2 more answers
Other questions:
  • Reducing waste and recycling things are ways to conserve energy. True false
    5·2 answers
  • What would make bromine , a group 17 element, more similar to a noble gas?
    11·1 answer
  • How many microphones are in a megaphone?
    10·1 answer
  • how does electromagnetism effect the function of a generator (using magnetism to produce electrical energy)
    12·1 answer
  • Define wave and state it types.​
    9·2 answers
  • 14POINTS!!!!!!!!! AND BRAINLIEST ANSWER!!!!!!!!!!
    15·2 answers
  • What is the equivalent resistance of the circuit?
    5·1 answer
  • Two cars start from rest and begin accelerating, one at 10m/s210m/s2 and the other at 12m/s212m/s2. How long will it take for th
    10·1 answer
  • HELP ME !!!Question 4 of 10
    13·2 answers
  • Gamma rays can cause cancer, but they can also be used to treat cancer. How
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!