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There are no pending questions in the Physics section. However, you can browse the most recent advice from this section below.


Latest Physics Advice  (What's this category about?)

BROWSE PHYSICS ADVICE:
 From:  Anonymous, India, Aug/16/10 submitted on: Cell phone
Subject:  Cause of blue colour of the sky.
Question: 

Here is the question: Why is sky blue

Rate = 2.5 (Rated by 2 Council Members)

Vijay Talasila,
Council Member
  APOnline
  The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affe

... Full advice ...
Rate = 3.5 (Rated by 1 Council Members)

 
Mary Elisabeth Bens,
Council Member
  Ammas.com
  The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affe

... Full advice ...
Rate = 3 (Rated by 1 Council Members)

 
nihir pg,
Council Member
  Ammas.com
  A clear cloudless daytime sky is blue because molecules in the air scatter blue light from the Sun more than they scatter red light. This scattering effect is known as Rayleigh scattering. Because the

... Full advice ...
Rate = 2.5 (Rated by 1 Council Members)

 
Vasantha Rajan,
Registered Member
  Ammas.com
  Hi,

The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light

... Full advice ...
Rate = 2.5 (Rated by 1 Council Members)

 
 From:  Anonymous, United States, Aug/13/10 submitted on: Cell phone
Subject:  Why is sky blue
Question: 

Here is the question: Why is the sky blue?

Rate = 2.5 (Rated by 2 Council Members)

Mohd. Nizamuddin,
Registered Member
  APOnline
  sky looks blue due to dispersion of light,

... Full advice ...
Rate = 2 (Rated by 1 Council Members)

 
Vijay Talasila,
Council Member
  APOnline
  On a clear sunny day, the sky above us looks bright blue. In the evening, the sunset puts on a brilliant show of reds, pinks and oranges. Why is the sky blue? What makes the sunset red?

To answer

... Full advice ...
Rate = 1 (Rated by 1 Council Members)

 
 From:  Anonymous, United States, Aug/12/10 submitted on: Cell phone
Subject:  Color of the sky
Question: 

Here is the question: What color is the sky?

Rate = 2.5 (Rated by 2 Council Members)

Alpana Das,
Council Member
  Ammas.com
  The sky appears to be blue in clear atmosphere due to Rayleigh scattering of light. As light moves through the atmosphere, it hits the gas molecules which are much smaller than the wavelengths of the

... Full advice ...
Rate = 3 (Rated by 1 Council Members)

 
Vijay Talasila,
Council Member
  APOnline
  The sky appears to be blue as perceived by the human eye. This is because the light from the sky is a result of the sunlight scattering.

The sky can change and appear lots of colors, such as red

... Full advice ...
Rate = 2.5 (Rated by 1 Council Members)

 
Kranthi Kumar,
Council Member
  Ammas.com
  Sky Blue

... Full advice ...
Rate = 2 (Rated by 2 Council Members)

 
Vanthiya Thevan,
Council Member
  Ammas.com
  Neelam

... Full advice ...
Rate = 1.5 (Rated by 1 Council Members)

 
kalyan kumar,
Council Member
  Ammas.com
  sky is colourless.. but it seems as blue to us,because of atmospherical refraction

... Full advice ...
Rate = 1 (Rated by 1 Council Members)

 
 From:  Anonymous, United States, Aug/11/10 submitted on: Cell phone
Subject:  physics
Question: 

Here is the question: What are the colors of the rainbow

Rate = 3 (Rated by 2 Council Members)

Vijay Talasila,
Council Member
  APOnline
  Always remember the name ROY G. BIV RED, ORANGE, YELLOW. GREEN, BLUE, INDIGO, and VIOLET.

Or Richard Of York Gave Battle In Vain - a reference to the War of the Roses. English history and scienc

... Full advice ...
Rate = 2.5 (Rated by 2 Council Members)

 
kalyan kumar,
Council Member
  Ammas.com
  rainbow posses 7 colours called vibgyor. it has 7 colours, but we seem it has only two or three,because, it is a continuous spectra. Continuous spectra means, when light falls on prism,they get disper

... Full advice ...
Rate = 2 (Rated by 1 Council Members)

 
 From:  Anonymous, United States, Jul/28/10 submitted on: Cell phone
Subject:  Why is thesky blue
Question:  This question has come from a cell phone.

Here is the question: Why is the sky blue?

Rate = 2.5 (Rated by 2 Council Members)

shiva sakthi,
Council Member
  Ammas.com
  Hai,

The blue color of the sky is caused by the scattering of sunlight off the molecules of the atmosphere. This scattering, called Rayleigh scattering, is more effective at short wavelengths (the

... Full advice ...
Rate = 3.5 (Rated by 1 Council Members)

 
kalyan kumar,
Council Member
  Ammas.com
  the main reason is Atmospherical Refraction. explaination:- we are thousands of miles away from sky. In this gap, between sky and us, there are many particles revolve in atmosphere. When sun emit r

... Full advice ...
Rate = 3 (Rated by 1 Council Members)

 
nihir pg,
Council Member
  Ammas.com
  A clear cloudless daytime sky is blue because molecules in the air scatter blue light from the Sun more than they scatter red light. This scattering effect is known as Rayleigh scattering. Because the

... Full advice ...
Rate = 2.5 (Rated by 1 Council Members)

 
Mrs. Sai Sai,
Council Member
  Ammas.com
  -- Anonymous,

On a clear sunny day, the sky above us looks bright blue.

To know the reason for the blue color of the sky we must learn about light, and the Earth's atmosphere.

THE ATMOSPH

... Full advice ...
Rate = 2.5 (Rated by 1 Council Members)

 



 




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