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A source emits yellow light (λ = 589nm) uniformly in all directions and has a power of 1W. Calculate the total number of photons emitted per second and the frequency with which they impinge on a surface area of (10^−19 m2) at a distance of 1m

First, to break down this sort of question we should read each physical unit (W(atts) in this case) as its equivalent statement. ie 1W=1Js^-1, if this is not intuitive, think of the basic equation P=E/t. (Fu...
MC
4770 Views

What kind of questions will I be asked in my medical school interview?

Each medical school will have different priorities, their questions will reflect these so it is important to look at the information on their websites to look at this and see if it is a good fit with you.Top...
CK
1580 Views

How can I write a great personal statement?

A personal statement is like your own unique advertisement. It is meant to sell your skills, experience and personality to potential universities; and convince them that you are the right fit for the course ...
AS
2944 Views

Personal Statement for a History course

I was first introduced to the Vietnam War through film and music, and this sparked my interest in the perceptions of the war. As the first TV broadcast war, I found that many opinions focused on the experien...
EF
2849 Views

What are the 4 pillars of ethics

Beneficence: Doing what's best for the patient Non-maleficence: Do not harm the patient (do no harm)Justice: Whether something is legal within the rights of the individual, and whether it is fair and balance...
SA
2376 Views