# Physics

posted by .

In sunlight, which becomes warmer: reading glasses or dark sunglasses?

i said reading glasses because the UV waves and infrared resonate on the glass, generating more heat. and dark sunglasses just absorb the heat and convert it into internal energy

is this right? plz help me!!

• Physics -

The dark sunglasses will absorb the heat, and less of the heat resonates back out, so my answer would be the dark glasses. The heat is just reflected back or passed through, not absorbed.

• Physics -

but wouldn't sunglasses be opaque?

• Physics -

No, because then you wouldn't be able to see through them.

## Similar Questions

1. ### physics

Suppose that sunlight falls both on a pair of reading glasses and on a pair of dark sunglasses. Which pair of glasses would you expect to become warmer?
2. ### Science

suppose that sunlight falls on both a pair of reading glasses and a pair of dark glasses. Which pair of glasses would you expect to become warmer?
3. ### Math - Logorithms

The intensity, I, of light, in lumens, passing through the glass of a pair of sunglasses if given by the equation I(x) = I^o(0.8)^x, where x is the thickness of the glass, in millimeters, and I^o is the intensity of light entering …
4. ### Math

At the peak of a roller coaster ride, a rider's sunglasses fly off his head. The height h (in feet) of the glasses, t seconds after he loses them, is given by h = -16t2 + 16t + 1152. After how many seconds will the glasses hit the …
5. ### Chemisry

Please mark below all of the statments that correctly describe the physical properties of glass: 1.Glasses do not have slip systems. 2.Glasses consist of both covalent and ionic bonding. 3.Glasses are brittle at room temperature. 4.Glasses …
6. ### chemistry

Please mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems.Glasses consist of both covalent and ionic bonding.Glasses are brittle at room temperature.Glasses are …
7. ### chemistry

Please mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems. Glasses consist of both covalent and ionic bonding. Glasses are brittle at room temperature. Glasses …
8. ### Alan

Mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems. Glasses consist of both covalent and ionic bonding. Glasses are brittle at room temperature. Glasses are amorphous …