What is the ideal width of slits and their separation? WHat happens when the width/separation are less or more than the ideal values?

Also is there an ideal length of slits too that one must adhere to?

2006-10-07 05:25:22 · 7 answers · asked by Anonymous in Physics

1 ⤊

When people are buried do they rot or do undertakers put chemicals on them to stop rotting & smelling?

2006-10-07 05:20:54 · 13 answers · asked by HUNK 3 in Biology

0 ⤊

If a machine multiplies force by a factor of 4 what other quantity is diminished, and by how much?

2006-10-07 05:20:31 · 3 answers · asked by whoknows 1 in Physics

8 ⤊

Does flashing your headlights at traffic lights really change them?

if traffic lights are light sensitive then why dont they go go heywire during daylight hours or during a lightning storm. I always thought they worked from microwaves which detected a moving solid object.

2006-10-07 05:20:23 · 18 answers · asked by Anonymous in Other - Science

4 ⤊

What metal comes as liquid, gas, or solid?

2006-10-07 05:18:41 · 9 answers · asked by Anonymous in Chemistry

0 ⤊

what is the best site to get info and pics on astronomy ?

2006-10-07 05:17:30 · 8 answers · asked by pajizzle 1 in Astronomy & Space

0 ⤊

What is the power dissipated by an 8.2kΩ resistor if a current of 0.005 amps is passing through the resistor?

2006-10-07 05:11:37 · 8 answers · asked by Chaps 1 in Mathematics

13 ⤊

french astronomer who predicted the position of neptune?

2006-10-07 05:09:47 · 5 answers · asked by Anonymous in Astronomy & Space

0 ⤊

Do the tubers in Tuberous Sclerosis develop entirely prenatally or do they continue to develop after birth?

(in the brain)

Thanks!

2006-10-07 05:09:28 · 3 answers · asked by Isabel 4 in Medicine

12 ⤊

what is the total degrees in a triangle?

2006-10-07 05:08:00 · 12 answers · asked by munirlutfi 1 in Mathematics

2 ⤊

Which gas, when stored in a bottle, can be seen when discharged by producing a visible cloud?

2006-10-07 05:03:51 · 10 answers · asked by chris_sheldrick67 1 in Chemistry

2 ⤊

How long fossil fuel reserve worldover is expected to last?

Fossil fuel reserve may be limited in quantity.With increased usage of this fuel, the world may run out of this.Today almost majority of machines are run by fossil fuel or its derivatives.What if world runs out of this source? Do we have alternate sources to depend on?Are they commercially available and at affordable rate?

2006-10-07 05:01:01 · 11 answers · asked by jugu 1 in Engineering

1 ⤊

Someone please help on this math problem!!!!!!! Please!!!! Show work please!!!! I"m desperate!?

Problem: If a glider has a glide ratio of 1/10, it means it goes down 1 foot for every 10 feet in travels horizantally. Suppose two gliders A and B start at the same height, glider A with glide ratio of 3/10 and glider B with glide ratio of 2/7. If they glide until they hit the ground, which one will have glided the farther horizantal distance?

2006-10-07 05:00:26 · 15 answers · asked by Anonymous in Mathematics

5 ⤊

Is global warming causing an increase in American illiteracy rates?

I just saw Al Gore's new movie and that is what he said is happening.

2006-10-07 04:59:01 · 11 answers · asked by CDEFGHIJ^ 1 in Weather

0 ⤊

can you tell me what 649 dollars are in pounds sterling?

2006-10-07 04:57:01 · 13 answers · asked by Graham B 1 in Mathematics

0 ⤊

Do Australians refer to the rest of the world as 'Up Over' ?

2006-10-07 04:54:37 · 12 answers · asked by Anonymous in Geography

2 ⤊

If humans can digest/breakdown cellulose(sp?), does that mean we would obtain more energy(carbs,etc) from it?

2006-10-07 04:54:27 · 5 answers · asked by Zatch 1 in Biology

0 ⤊

can you tell me what a solid in a car is please?

Leeanne

2006-10-07 04:53:33 · 4 answers · asked by Anonymous in Other - Science

3 ⤊

What disease can I can describe for a paper easily?

I also need to know where i can get a description of how it would make you feel in daily life

2006-10-07 04:50:17 · 5 answers · asked by ╣♥╠ 6 in Biology

3 ⤊

endangered species?

how does protecting an endangered species effect natural selection?

2006-10-07 04:48:44 · 3 answers · asked by brighton 3 in Biology

3 ⤊

Are there any tests you can do to tell if Jade is genuine or not?

I would like to buy my Dad a geuine Jade ornament for Christmas. There are lots of Jade items on the internet, but I don't know how to tell if they are genuine or not. Any recommendations would be helpful.

2006-10-07 04:47:31 · 8 answers · asked by debzc 5 in Earth Sciences & Geology

1 ⤊

What's your view of the Anthropic Principle as a cosmological theory of the Universe?

Seems like circular reasoning to me (tautologic) and there seems intuitively wrong.

2006-10-07 04:47:19 · 4 answers · asked by Anonymous in Physics

0 ⤊

a 10 letter word that is the force which causes molecules to stick together?

all i know is:
2nd letter is t
4th letter is r
9th letter is o
please help

2006-10-07 04:46:30 · 7 answers · asked by amfr 2 in Physics

0 ⤊

does anyone now of any physiotherapy workshops short courses?

am starting uni next year and understand that nottingham uni have a 3 day exploring course to prepare you. I cannot attend this..so if anyone knows any others would be a great help.

thanks

2006-10-07 04:42:33 · 1 answers · asked by katy o 1 in Other - Science

0 ⤊

I need help on how to conduct a project on ectoparasites on domesicated and wild rodents (cane-rats)?

2006-10-07 04:40:47 · 2 answers · asked by skoob105 1 in Zoology

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