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
AleksAgata [21]
3 years ago
6

We wish to coat flat glass (n = 1.50) with a transparent material (n = 1.20) so that reflection of light at wavelength 529 nm is

eliminated by interference. what minimum thickness can the coating have to do this?
Physics
1 answer:
hjlf3 years ago
8 0
For full destruction of the wavelength,
2t = y/2

t = thickness of the coating material
y = wavelength in the coating material

But;
y = y_a/n; where y_a is wavelength in air

Substituting;
y = 529/1.2 = 440.83 nm

Then,
t = y/4 = 440.83.4 = 110.21 nm

Therefore, thickness of the coating material should be 110.21 nm.
You might be interested in
Two identical point charges of +Q coul are separated by a distance of 10 cm.
tatiyna

Answer:

IM NOT SMART

Explanation:

5 0
3 years ago
A student in the Biomechanics class has decided that she would like to make her arms
Rufina [12.5K]

Answer:

what is heat and transfer

7 0
2 years ago
5) A person holds a 1.7 kg bucket and lets it move down at
Elena L [17]

Answer:

12.5J

Explanation:

Given parameters:

Mass of bucket  = 1.7kg

Height  = 75cm  = 0.75m

Unknown;

Work done on the bucket by the person  = ?

Solution:

To solve this problem, we use the work done equation;

  Work done  = force x distance  = mgh

 m is the mass  

  g is the acceleration due to gravity

  h is the height

Now, insert parameters and solve ;

     Work done  = 1.7 x 9.8 x 0.75  = 12.5J

7 0
3 years ago
A car weighing 12,000 N is parked on a 36° slope. The car starts to roll down the hill. What is the acceleration of the car?​
Delicious77 [7]

Answer: 5.8 m/s squared

Explanation: just got that question lol

4 0
3 years ago
HELLLLLP PLEASE, thank u :)
MrRa [10]

Answer:

Option B. 3.0×10¯¹¹ F.

Explanation:

The following data were obtained from the question:

Potential difference (V) = 100 V.

Charge (Q) = 3.0×10¯⁹ C.

Capacitance (C) =..?

The capacitance, C of a capacitor is simply defined as the ratio of charge, Q on either plates to the potential difference, V between them. Mathematically, it is expressed as:

Capacitance (C) = Charge (Q) / Potential difference (V)

C = Q/V

With the above formula, we can obtain the capacitance of the parallel plate capacitor as follow:

Potential difference (V) = 100 V.

Charge (Q) = 3.0×10¯⁹ C.

Capacitance (C) =..?

C = Q/V

C = 3.0×10¯⁹ / 100

C = 3.0×10¯¹¹ F.

Therefore, the capacitance of the parallel plate capacitor is 3.0×10¯¹¹ F.

7 0
3 years ago
Other questions:
  • Most of the funding for research comes from the federal government or ? And is provided to Principal Investigators (PIs) through
    10·1 answer
  • An automobile is traveling on a long, straight highway at a steady 76.0 mi/h when the driver sees a wreck 180 m ahead. at that i
    15·1 answer
  • (a) How long will it take an investment to double in value if the interest rate is 8% compounded continuously? (Round your answe
    8·1 answer
  • Conclusion for ohm law
    9·1 answer
  • A+20 N force acts on a car and at the same time, a -30 N force acts on the
    5·1 answer
  • Frente a una lente convergente delgada se coloca un objeto a una distancia de 50 cm. La imagen de este objeto aparece del otro l
    9·1 answer
  • On earth, how can you tell up from down
    9·1 answer
  • A 3900 kg truck is moving at 6.0 m/s what is the kinetic energy
    8·2 answers
  • when a bucket full of water is pulled of from a well,in which condition: either inside or outside the water is it difficult to l
    15·2 answers
  • Imagine that a star-forming cloud collapses but retains all of its mass in a single blob. In order to conserve angular momentum,
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!