OCR Physics Unit 2 - G482 - (June Exams Preparation) Watch

Gcayte
Badges: 14
Rep:
?
#601
Report 6 years ago
#601
(Original post by J10)
Also, for the last question I put infrared first, with UV second.
What did the graph you had to draw look like?
Mine had a period of 0.2s, and I draw 2 full waves, 0-0.2, 0.2-0.4. Also has 0.010, 0.020, 0.030 on the sides (and the negatives of these values on the y-axis)
I did this! be a nice 4 marks if it was right
0
reply
enjoytheride95
Badges: 0
Rep:
?
#602
Report 6 years ago
#602
(Original post by J10)
Also, for the last question I put infrared first, with UV second.
What did the graph you had to draw look like?
Mine had a period of 0.2s, and I draw 2 full waves, 0-0.2, 0.2-0.4. Also has 0.010, 0.020, 0.030 on the sides (and the negatives of these values on the y-axis)
I got the same graph as you
1
reply
J10
Badges: 0
Rep:
?
#603
Report 6 years ago
#603
For one of the wave questions, I put W as being at rest, X as max speed, Y and Z being 90 degree out of phase.
Ring any bells anyone?
0
reply
Gcayte
Badges: 14
Rep:
?
#604
Report 6 years ago
#604
(Original post by OllieGCSEs)
I think gamma rays and radio waves are extreme... I put UV and Infrared since they're either side of visible


Posted from TSR Mobile
Yeah you're probably right
0
reply
enjoytheride95
Badges: 0
Rep:
?
#605
Report 6 years ago
#605
(Original post by J10)
For one of the wave questions, I put W as being at rest, X as max speed, Y and Z being 90 degree out of phase.
Ring any bells anyone?
Yeah I think that's what I put!
0
reply
Gcayte
Badges: 14
Rep:
?
#606
Report 6 years ago
#606
(Original post by J10)
For one of the wave questions, I put W as being at rest, X as max speed, Y and Z being 90 degree out of phase.
Ring any bells anyone?
I got the same for the first 2 but for out of phase I put W and X again I think, I'm probably wrong though I just thought Y and Z were 180 out of phase? :/
0
reply
J10
Badges: 0
Rep:
?
#607
Report 6 years ago
#607
(Original post by Gcayte)
I got the same for the first 2 but for out of phase I put W and X again I think, I'm probably wrong though I just thought Y and Z were 180 out of phase? :/
****... you're right (i think)
0
reply
Georgehigginson
Badges: 12
Rep:
?
#608
Report 6 years ago
#608
(Original post by John Dogg)
i just doubled the wavelength ? i thought it said T was increased by 4 so v must have increased by x2 as well. so in wave speed equation wavelength also goes up x2 as frequency was kept the same ?
This
0
reply
J10
Badges: 0
Rep:
?
#609
Report 6 years ago
#609
What about the direction of arrows on the diagram?
Where did you guys draw them?
0
reply
JG1027
Badges: 0
Rep:
?
#610
Report 6 years ago
#610
i put w at max speed as it is at equilibrium position x at being at rest as the gradient is 0 at the top and its a displacement against time graph and speed is the gradient and put w and x in being in 90 degrees to each other
2
reply
Gcayte
Badges: 14
Rep:
?
#611
Report 6 years ago
#611
(Original post by J10)
****... you're right (i think)
I doubt it haha, this was the 4th time I've took this paper...


Anyone wanna help in making unofficial mark scheme?
0
reply
JG1027
Badges: 0
Rep:
?
#612
Report 6 years ago
#612
for the graph was it a sine graph?
0
reply
OllieGCSEs
Badges: 10
Rep:
?
#613
Report 6 years ago
#613
(Original post by J10)
For one of the wave questions, I put W as being at rest, X as max speed, Y and Z being 90 degree out of phase.
Ring any bells anyone?
I put W as rest, i said they all have the same speed, and X& Y are 90 degrees out. Not sure if i'm right though


Posted from TSR Mobile
0
reply
J10
Badges: 0
Rep:
?
#614
Report 6 years ago
#614
(Original post by Gcayte)
I doubt it haha, this was the 4th time I've took this paper...


Anyone wanna help in making unofficial mark scheme?
How many marks was that part of the question? Was it 3?

And yes, I think it'll be a good idea to make an unofficial markscheme.
0
reply
leahcee
Badges: 0
Rep:
?
#615
Report 6 years ago
#615
(Original post by Gcayte)
I got the same for the first 2 but for out of phase I put W and X again I think, I'm probably wrong though I just thought Y and Z were 180 out of phase? :/
I put that W and X were 90 degrees out of phase, because they were.
3
reply
dream996
Badges: 8
Rep:
?
#616
Report 6 years ago
#616
GOD I screwed up! I'm absolutely broken down right now! (someone cheer me up!) that paper was suppose to be 'relatively easy!' yet I ran out of time! grrrr!
0
reply
Georgehigginson
Badges: 12
Rep:
?
#617
Report 6 years ago
#617
(Original post by J10)
What about the direction of arrows on the diagram?
Where did you guys draw them?
apparently they should have just been up and down, I drew across the tangent
0
reply
JG1027
Badges: 0
Rep:
?
#618
Report 6 years ago
#618
(Original post by Georgehigginson)
apparently they should have just been up and down, I drew across the tangent
so were they opposite to the way they were travelling? so if it was below the axis was it up?
0
reply
J10
Badges: 0
Rep:
?
#619
Report 6 years ago
#619
(Original post by Georgehigginson)
apparently they should have just been up and down, I drew across the tangent
I put them up and down (but only because I saw it like that in the book, otherwise I'd naturally put it down and up)
0
reply
leahcee
Badges: 0
Rep:
?
#620
Report 6 years ago
#620
(Original post by JG1027)
so were they opposite to the way they were travelling? so if it was below the axis was it up?
I put the arrows the opposite direction that they were travelling, if that makes sense? I remember doing it in class once and everyone got it wrong, so we kinda learnt.
1
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

University open days

  • Cardiff Metropolitan University
    Undergraduate Open Day - Llandaff Campus Undergraduate
    Sat, 19 Oct '19
  • Coventry University
    Undergraduate Open Day Undergraduate
    Sat, 19 Oct '19
  • University of Birmingham
    Undergraduate Open Day Undergraduate
    Sat, 19 Oct '19

Why wouldn't you turn to teachers if you were being bullied?

They might tell my parents (11)
6.01%
They might tell the bully (18)
9.84%
I don't think they'd understand (32)
17.49%
It might lead to more bullying (70)
38.25%
There's nothing they could do (52)
28.42%

Watched Threads

View All