Oxford Cambridge and RSA Examinations Higher GCSECombined Science B Twenty First Century ScienceJ260/07: Physics (Higher Tier) General Certificate of Secondary Education(with marking scheme)

Oxford Cambridge and RSA
Examinations Higher GCSECombined
Science B Twenty First Century
ScienceJ260/07: Physics (Higher Tier)
General Certificate of Secondary
Education(with marking scheme)

, Oxford Cambridge and RSA

Thursday 25 May 2023 – Morning
GCSE (9–1) in Combined Science B
(Twenty First Century Science)
J260/07 Physics (Higher Tier)
Time allowed: 1 hour 45 minutes


H
* 9 9 3 1 9 2 2 4 2 1 *




You must have:
• a ruler (cm/mm)
• the Equation Sheet for GCSE (9–1) Combined
Science Physics B (inside this document)
You can use:
• an HB pencil
• a scientific or graphical calculator
* J 2 6 0 0 7 *




Please write clearly in black ink. Do not write in the barcodes.

Centre number Candidate number


First name(s)

Last name


INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.

INFORMATION
• The total mark for this paper is 95.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 24 pages.

ADVICE
• Read each question carefully before you start your answer.




© OCR 2023 [601/8690/2] OCR is an exempt Charity
DC (ST/SG) 327990/5 Turn over

, 2
1 (a) Which two statements about electromagnetic radiation are true?

Tick (3) two boxes.

All electromagnetic radiation is ionising.

All electromagnetic radiation travels through space at the same speed.

Only very hot bodies emit electromagnetic radiation.

Our eyes can only detect a limited range of electromagnetic frequencies.

Gamma rays are used for satellite communications.
[2]

(b) (i) Complete the table by showing the main groups of the electromagnetic spectrum from
long to short wavelengths.

Use words from the list.

Gamma rays Microwave Radio Visible X-rays Ultraviolet


Electromagnetic radiation spectrum
Long wavelength Short wavelength

Infrared

[3]

(ii) Complete the sentence about electromagnetic radiation.

Put a ring around each correct option.

When the wavelength of electromagnetic radiation gets shorter

the frequency increases / decreases / stays the same

and the energy increases / decreases / stays the same.
[2]




© OCR 2023

, 3
(c) A new telescope in space called the JWST uses electromagnetic radiation to produce
images of very distant galaxies.

(i) Suggest one benefit of seeing images of very distant galaxies.

...........................................................................................................................................

...................................................................................................................................... [1]

(ii) Suggest one reason why scientists looking at images from the JWST should tell
everyone about their discoveries.

...........................................................................................................................................

...................................................................................................................................... [1]




© OCR 2023 Turn over