Crave the Wave B

Test your knowledge of various Science Olympiad events.
LIPX3
Member
Member
Posts: 49
Joined: January 10th, 2016, 8:41 am
Division: C
State: -

Re: Crave the Wave B

Postby LIPX3 » March 21st, 2016, 12:48 pm

I'm going to revive this thread.
What is Brewster's Law? The equation.
[math]\theta_B=\arctan(\frac{n_2}{n_1})[/math]
Correct. Your turn.

UTF-8 U+6211 U+662F
Exalted Member
Exalted Member
Posts: 1518
Joined: January 18th, 2015, 7:42 am
Division: C
State: PA

Re: Crave the Wave B

Postby UTF-8 U+6211 U+662F » March 22nd, 2016, 4:57 pm

Light hits a white shirt a man is wearing. What happens to the light?

ampy1234567
Member
Member
Posts: 38
Joined: March 31st, 2015, 6:11 pm
Division: C
State: MN

Re: Crave the Wave B

Postby ampy1234567 » March 22nd, 2016, 6:31 pm

Light hits a white shirt a man is wearing. What happens to the light?
All of it is reflected
Mounds View High School, 10th grade

2016 Nationals: Dynamic (2), Disease (6), Crave (8), Fossils (22)
2017 Nationals: Disease (1), Dynamic (2), Optics (5)

UTF-8 U+6211 U+662F
Exalted Member
Exalted Member
Posts: 1518
Joined: January 18th, 2015, 7:42 am
Division: C
State: PA

Re: Crave the Wave B

Postby UTF-8 U+6211 U+662F » March 22nd, 2016, 6:40 pm

Light hits a white shirt a man is wearing. What happens to the light?
All of it is reflected
Be more specific. What kind of reflection? ;)

ampy1234567
Member
Member
Posts: 38
Joined: March 31st, 2015, 6:11 pm
Division: C
State: MN

Re: Crave the Wave B

Postby ampy1234567 » March 22nd, 2016, 6:46 pm

Every wavelength of light that illuminates it is reflected
Mounds View High School, 10th grade

2016 Nationals: Dynamic (2), Disease (6), Crave (8), Fossils (22)
2017 Nationals: Disease (1), Dynamic (2), Optics (5)

User avatar
Adi1008
Moderator
Moderator
Posts: 473
Joined: December 6th, 2013, 1:56 pm
Division: Grad
State: TX
Location: Austin, Texas

Re: Crave the Wave B

Postby Adi1008 » March 22nd, 2016, 7:04 pm

Light hits a white shirt a man is wearing. What happens to the light?
All of it is reflected
Be more specific. What kind of reflection? ;)
diffuse reflection?
University of Texas at Austin '22
Seven Lakes High School '18
Beckendorff Junior High '14

ampy1234567
Member
Member
Posts: 38
Joined: March 31st, 2015, 6:11 pm
Division: C
State: MN

Re: Crave the Wave B

Postby ampy1234567 » March 23rd, 2016, 10:04 am

total reflection?
Mounds View High School, 10th grade

2016 Nationals: Dynamic (2), Disease (6), Crave (8), Fossils (22)
2017 Nationals: Disease (1), Dynamic (2), Optics (5)

User avatar
Adi1008
Moderator
Moderator
Posts: 473
Joined: December 6th, 2013, 1:56 pm
Division: Grad
State: TX
Location: Austin, Texas

Re: Crave the Wave B

Postby Adi1008 » March 23rd, 2016, 10:59 am

total reflection?
total (internal) reflection when the angle of reflection is >90 degrees and the beam is reflected back inside when the outer index of refraction is less than the incident one? I don't it would have much to do with the color of the shirt
University of Texas at Austin '22
Seven Lakes High School '18
Beckendorff Junior High '14

ampy1234567
Member
Member
Posts: 38
Joined: March 31st, 2015, 6:11 pm
Division: C
State: MN

Re: Crave the Wave B

Postby ampy1234567 » March 23rd, 2016, 12:00 pm

Idk what else they could be looking for if they specified that it's a white shirt
Mounds View High School, 10th grade

2016 Nationals: Dynamic (2), Disease (6), Crave (8), Fossils (22)
2017 Nationals: Disease (1), Dynamic (2), Optics (5)

UTF-8 U+6211 U+662F
Exalted Member
Exalted Member
Posts: 1518
Joined: January 18th, 2015, 7:42 am
Division: C
State: PA

Re: Crave the Wave B

Postby UTF-8 U+6211 U+662F » March 28th, 2016, 5:17 pm

Light hits a white shirt a man is wearing. What happens to the light?
All of it is reflected
You're right, but I was looking for...
diffuse reflection?
Either one of you can go.


Return to “2016 Question Marathons”

Who is online

Users browsing this forum: No registered users and 2 guests