![makayladurham19](/avatars/34129.jpg)
makayladurham19
03.07.2019 •
Physics
A)when a hydrogen atom is placed in a magnetic field, into how many energy levels is the 5f energy level split? (assume for the purposes of this question that it is only the electron's orbital angular momentum that gives rise to a magnetic interaction.) b)a hydrogen atom is placed in a magnetic field and as a result, the states with ml +2 are found to be separated from the states with ml -2 by an energy difference of 7.6 x 10-4 ev. what is the value of the magnetic field strength? c)a hydrogen atom is placed in a magnetic field. according to the selection rule aml 0 or 1 how many different transitions from the 4d energy level to the 3p energy level are allowed to take place, and how many distinct emission lines would these transitions give rise to? (assume for the purposes of this question that it is only the electron? s orbital angular momentum that gives rise to a magnetic interaction.) d) the universe is filled with blackbody radiation at a temperature of 2.73 k, known as the cosmic microwave background (cmb) radiation. (i) how many cmb photons per cubic meter pervade the universe? (ii) what is the energy density of the cmb radiation? (ii) what is the radiation pressure exerted by the cmb radiation? (iv) what is the average energy of a single photon of cmb radiation? (give your answer in electron volts.)
Solved
Show answers
More tips
- F Food and Cooking 10 Reasons Why You Should Avoid Giving Re-Gifts: An Informative Guide...
- S Sport How to wrap boxing hand wraps? Everything you need to know!...
- A Animals and plants 5 Tips for Taking Care of Yews to Keep Them Green and Beautiful...
- H Health and Medicine How to Calm Your Nerves? Expert Tips That Actually Work...
- O Other What is a Disk Emulsifier and How Does it Work?...
- S Sport How to Pump Your Chest Muscle? Secrets of Training...
- C Computers and Internet How to Get Rid of 3pic Infector: Everything You Need to Know...
- S Style and Beauty How to Grow Hair Faster: Real Methods and Advice...
- C Computers and Internet How to Top Up Your Skype Account Without Losing Money?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
Ответ:
The correct answer is option C, a worm
Explanation:
Schistosomiasis is a disease caused by parasitic worms. The common causing agents are Schistosoma mansoni, S. haematobium, and S. japonicum , S. mekongi and S. intercalatum . An individual gets infected when they come in contact with contaminated freshwater. People urinating or defecating in the water causes contamination of freshwater. The parasitic worm develop and multiply inside the snails. The parasite then leaves the snail and enters the water where it can easily penetrate into an individual's body (who are wading, swimming, bathing, or washing in contaminated water) through their skin.