You are Here: Home >< A-levels

# Wave-particle duality question? watch

1. im really stuck on part d of this question we got for homework. Any help is welcome

The sun provides 1400W of power per sqare meter. The average wavelength is 1.0x10^-6. calculate:
a)the momentum of 1 photon
b)The number of photons hitting the ground per second
c)the rate of change of momentum of the photons
d)the force on each square meter of a satellite at this distance from the sun.
2. (Original post by maximo17000)
im really stuck on part d of this question we got for homework. Any help is welcome

The sun provides 1400W of power per sqare meter. The average wavelength is 1.0x10^-6. calculate:
a)the momentum of 1 photon
b)The number of photons hitting the ground per second
c)the rate of change of momentum of the photons
d)the force on each square meter of a satellite at this distance from the sun.
What's force?

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: November 13, 2015
Today on TSR

### Edexcel C2 Core Unofficial Markscheme!

Find out how you've done here

Poll

## All the essentials

### Student life: what to expect

What it's really like going to uni

### Essay expert

Learn to write like a pro with our ultimate essay guide.

### Create a study plan

Get your head around what you need to do and when with the study planner tool.

### Resources by subject

Everything from mind maps to class notes.

### Study tips from A* students

Students who got top grades in their A-levels share their secrets