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Cloud [144]
3 years ago
7

Someone plz help for a brainliest

Physics
1 answer:
d1i1m1o1n [39]3 years ago
3 0
Okay, i worked on this last year, a transverse wave is a wave that vibrates in the direction of its propagation, and a compression wave is a wave that travels closer together!
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A red laser from a physics lab is marked as producing 632.8 nm light. When light from this laser falls on two closely spaced sli
goblinko [34]

Given Information:  

Wavelength of the red laser = λr = 632.8 nm

Distance between bright fringes due to red laser = yr = 5 mm

Distance between bright fringes due to laser pointer = yp = 5.14 mm

Required Information:  

Wavelength of the laser pointer = λp = ?

Answer:

Wavelength of the laser pointer = λp = ?

Explanation:

The wavelength of the monochromatic light can be found using young's double slits formula,

y = Dλ/d  

y/λ = D/d

Where

λ is the wavelength

y is the distance between bright fringes.

d is the double slit separation distance

D is the distance from the slits to the screen

For the red laser,

yr/λr = D/d

For the laser pointer,

yp/λp = D/d

Equating both equations yields,

yr/λr = yp/λp

Re-arrange for λp

λp = yp*λr/yr

λp =  (5*632.8)/5.14

λp = 615.56 nm

Therefore, the wavelength of the small laser pointer is 615.56 nm.

3 0
3 years ago
Which descriptions did you include in your response? Check all that apply. The shape of the bowling ball is round. The color of
miss Akunina [59]

Answer:

True  a, c and d

Explanation:

The correct statements that should be included in the answers are:

a) True. Bowling balls are round

b) False. The balls have different colors

c) True. If the balls are made of a very hard material

d) True. If the balls have a smooth polished surface at the same time, but not soft

3 0
3 years ago
A more realistic car would cause the wheels to spin in a manner that would result in the ground pushing it forward with a consta
bonufazy [111]

Answer:

acceleration = 22.14 m/s²

time = 2.80 s

Explanation:

given data

initial velocity = 31.0

final velocity =

time = 1.40

solution

we get here acceleration that is

acceleration = \frac{v(final) - v(initial)}{t}   ...............1

acceleration = \frac{31-0}{1.40}  

acceleration = 22.14 m/s²

and

by kinematic equation of motion

v = u +at .........2

t = \frac{62-0}{22.14}  

time = 2.80 s

8 0
4 years ago
In this activity, you’ll read two articles about plastics that analyze the material from two different points of view. You’ll al
ipn [44]

Answer:

ok thanks

Explanation:

I will read the article

3 0
3 years ago
Which of the following most directly shows how society affects physics? A. Elected officials make decisions about what research
Scorpion4ik [409]

The option above which most directly shows how society affects physics is that physicists work on projects that will get them nominated for Nobel prize.

<h3>Who is a physicist?</h3>

A physicist is a person who who studies physics.

Physics is one of the branches of science which involves the study of matter, light, mechanics...

In conclusion: the option below which most directly shows how society affects physics is that physicists work on projects that will get them nominated for Nobel prize.

Learn more about science:

brainly.com/question/17274244

#SPJ1

6 0
2 years ago
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