ALSO HELP as I am worrying!!
You know the question where you had the refraction from water to air (which I drew wrong), was that only 1 mark? Or was there an explain question where you had to explain your drawing?

I'm not sure that I remember a question about drawing a refracted ray involving air and water...

Reply 1326

littleheron

6

Original post by Positivedani

ALSO HELP as I am worrying!!
You know the question where you had the refraction from water to air (which I drew wrong), was that only 1 mark? Or was there an explain question where you had to explain your drawing?

You didn't have to draw anything on the water and air question. I'm fairly sure that was just a question to find the angle of refraction of the diagram.

The only question where you had to draw something was for where the critical angle was the same as the angle of incidence.

Reply 1327

Positivedani

2

Original post by WhiteScythe

I'm not sure that I remember a question about drawing a refracted ray involving air and water...

It was total internal reflection or something i got it wrong so x

Reply 1328

sunnyrays07

2

Original post by Positivedani

ALSO HELP as I am worrying!!
You know the question where you had the refraction from water to air (which I drew wrong), was that only 1 mark? Or was there an explain question where you had to explain your drawing?

I think it was only drawing a diagram. Also for the power lens one, apparently the answer was 0.125

Reply 1329

WhiteScythe

11

Original post by maxjackson5

I'm not wrong!! Charge is measured in m/s squared because it is the flow of electrons!! JESUS christ did u revise anything

Charge is measured in coulombs C.

http://en.wikipedia.org/wiki/Coulomb

Reply 1330

saahil0987

3

Original post by sunnyrays07

I think it was only drawing a diagram. Also for the power lens one, apparently the answer was 0.125

You were supposed to draw on the water question?

Reply 1331

WhiteScythe

11

Original post by sunnyrays07

I think it was only drawing a diagram. Also for the power lens one, apparently the answer was 0.125

I don't think so, I got 1/2 (m) -if this is the question you are referring to.

Reply 1332

saahil0987

3

Original post by WhiteScythe

Also at the end of Unit 2 I have seen some posts which say that the graph was B. I believe C to be the correct answer.

It's definitely B, the velocity levels off cause it reached a terminal velocity

Reply 1333

Odc99

What were the numbers for the momentum question ?

Reply 1334

sunnyrays07

2

Original post by saahil0987

You were supposed to draw on the water question?

I'm not sure if it was water. But it was a material from a more dense to less dense substance and you were supposed to carry on the ray

Reply 1335

Busraslf

2

CHARGE IS MEASURED IN COULOMB (C) not in ohms resistance is measured in ohms

Reply 1336

littleheron

6

Original post by saahil0987

It's definitely B, the velocity levels off cause it reached a terminal velocity

Didn't it asks what happens to the rocket AFTER the maximum velocity has been reached and it falls to the ground? That means A would be correct because both B and C showed an increase in velocity until a constant speed was reached, BUT they didn't go down to 0.