Physics > AQA A/As Level Question Paper > A-level PHYSICS Paper 3 Section A Time allowed: The total time for both sections of this paper is  (All)

A-level PHYSICS Paper 3 Section A Time allowed: The total time for both sections of this paper is 2 hours. You are advised to spend approximately 70 minutes on this section. 2 *02* IB/M/Jun22/7408/3A Do not write

Document Content and Description Below

A-level PHYSICS Paper 3 Section A Time allowed: The total time for both sections of this paper is 2 hours. You are advised to spend approximately 70 minutes on this section. 2 *02* IB/... M/Jun22/7408/3A Do not write outside the Section A box Answer all questions in this section. 0 1 Figure 1 shows apparatus used to measure the speed of sound in a steel rod. Figure 1 The steel rod is suspended from a beam using rubber bands. When the hammer is in contact with the end L of the steel rod, a circuit is completed and the signal generator is connected to the oscilloscope. Figure 2 shows the waveform then displayed on the oscilloscope. 3 *03* Turn over ► IB/M/Jun22/7408/3A Do not write outside the Figure 2 box 0 1 . 1 Which control on the oscilloscope should be used to centre the trace vertically on the screen? Tick () one box. [1 mark] X-shift Y-gain Y-shift Question 1 continues on the next page 4 *04* IB/M/Jun22/7408/3A Do not write outside the When the hammer box hits end L, a sound wave travels along the steel rod and is reflected at end R. When the wave returns to L the rod bounces away from the hammer and the circuit is broken. Figure 3 shows the waveform produced by the brief contact between the hammer and L. Note that the waveform has now been centred vertically. Figure 3 Figure 4 shows the time-base setting of the oscilloscope. Figure 4 5 *05* Turn over ► IB/M/Jun22/7408/3A Do not write outside the 0 1 box . 2 The distance between L and R in Figure 1 is 0.870 m. Deduce the speed of sound in the steel rod. [3 marks] speed of sound = m s−1 0 1 . 3 A student repeats the experiment using a steel rod of twice the length. Explain: • how using the longer rod affects the waveform displayed • any changes needed to get an accurate result for the speed. You should include numerical detail. [4 marks] 8 6 *06* IB/M/Jun22/7408/3A Do not write outside the 0 2 box Figure 5 shows a strip of steel of rectangular cross-section clamped at one end. The strip extends horizontally over the edge of a bench. Figure 5 7 *07* Turn over ► IB/M/Jun22/7408/3A Do not write outside the 0 2 box . 1 A mass m is suspended from the free end of the strip. This produces a vertical displacement y. A student intends to measure y with the aid of a horizontal pin fixed to the free end of the steel strip. She positions a clamped vertical ruler behind the pin, as shown in Figure 6. Figure 6 Explain a procedure to avoid parallax error when judging the reading indicated by the position of the pin on the ruler. You may add detail to Figure 6 to illustrate your answer. [2 marks] Question 2 continues on the next page 8 *08* IB/M/Jun22/7408/3A Do not write outside the 0 2 box . 2 It can be shown that 3 3 4mgL y Ewt = where: L is the distance between the free end of the unloaded strip and the blocks w is the width of the strip and is approximately 1 cm t is the thickness of the strip and is approximately 1 mm E is the Young modulus of the steel. A student is asked to determine E using the arrangement shown in Figure 5 with the following restrictions: • only one steel strip of approximate length 30 cm is available • m must be made using a 50 g mass hanger and up to four additional 50 g slotted masses • the experimental procedure must involve only one independent variable • a graphical method must be used to get the result for E. Explain what the student must do to determine E. [5 marks] 9 *09* Turn over ► IB/M/Jun22/7408/3A Do not write outside the box Turn over for the next question 7 10 *10* IB/M/Jun22/7408/3A Do not write outside the 0 3 Conductive putty can easily be formed into different shapes to investigate the effect of box shape on electrical resistance. 0 3 . 1 A student uses vernier callipers to measure the diameter d of a uniform cylinder made of the putty. Suggest one problem with using callipers to make this measurement. [1 mark] 0 3 . 2 Table 1 shows the calliper measurements made by a student. Table 1 d1 / mm d2 / mm d3 / mm d4 / mm d5 / mm 34.5 34.2 32.9 33.4 34.0 Show that the percentage uncertainty in d is about 2.4%. Assume that all the data are valid. [2 marks] 11 *11* Turn over ► IB/M/Jun22/7408/3A Do not write outside the 0 3 box . 3 The length of the cylinder is 71±2 mm. Determine the uncertainty, in mm3 , in the volume of the cylinder. [4 marks] uncertainty = mm3 Question 3 continues on the next [Show More]

Last updated: 5 months ago

Preview 1 out of 24 pages

Reviews( 0 )

Recommended For You

 Physics> AQA A/As Level Question Paper > AS LEVEL PHYSICS A H156/01 Breadth in Physics Question Paper 1 Oct 2021 (All)

preview
AS LEVEL PHYSICS A H156/01 Breadth in Physics Question Paper 1 Oct 2021

Archimedes’ principle is written below with one word missing. The upthrust acting on an object in a fluid is equal to the __________ of the fluid displaced. What is the missing word? A density B m...

By Ace_It , Uploaded: Jul 06, 2022

$10

 Physics> AQA A/As Level Question Paper > AQA AS PHYSICS PAPER 2 7407/2 QUESTIONS PAPER 2022 (All)

preview
AQA AS PHYSICS PAPER 2 7407/2 QUESTIONS PAPER 2022

AQA AS PHYSICS PAPER 2 7407/2 QUESTIONS PAPER 2022

By Tiara , Uploaded: Jan 15, 2023

$10

 Physics> AQA A/As Level Question Paper > AQA GCSE PHYSICS Foundation Tier Paper 1 QUESTION PAPER 2021 (All)

preview
AQA GCSE PHYSICS Foundation Tier Paper 1 QUESTION PAPER 2021

AQA GCSE PHYSICS Foundation Tier Paper 1 QUESTION PAPER 2021

By markstudys , Uploaded: Jun 20, 2022

$16

 Physics> AQA A/As Level Question Paper > AQA A-level PHYSICS Paper 2 QP 2020 (All)

preview
AQA A-level PHYSICS Paper 2 QP 2020

AQA A-level PHYSICS Paper 2 QP 2020

By Nancylect , Uploaded: Jul 03, 2022

$5

 Physics> AQA A/As Level Question Paper > AQA 2022 PHYSICS AS LEVEL 7407 PAPER 1 QP (All)

preview
AQA 2022 PHYSICS AS LEVEL 7407 PAPER 1 QP

AQA 2022 PHYSICS AS LEVEL 7407 PAPER 1 QP

By CATE NATALIA , Uploaded: Nov 24, 2022

$8

 Physics> AQA A/As Level Question Paper > AQA GCSE H PHYSICS Higher Tier Paper 1 QUESTION PAPER 2021 (All)

preview
AQA GCSE H PHYSICS Higher Tier Paper 1 QUESTION PAPER 2021

AQA GCSE H PHYSICS Higher Tier Paper 1 QUESTION PAPER 2021

By markstudys , Uploaded: Jun 20, 2022

$18

 Physics> AQA A/As Level Question Paper > AQA AS PHYSICS PAPER 2 QP 2021 (All)

preview
AQA AS PHYSICS PAPER 2 QP 2021

AQA AS PHYSICS PAPER 2 QP 2021

By MARKALLAN , Uploaded: Jun 26, 2022

$7

 Physics> AQA A/As Level Question Paper > AQA AS PHYSICS Paper 1 QUESTION PAPER 2021 (All)

preview
AQA AS PHYSICS Paper 1 QUESTION PAPER 2021

AQA AS PHYSICS Paper 1 QUESTION PAPER 2021

By THE LORD IS GOD , Uploaded: Jul 02, 2022

$10

 Physics> AQA A/As Level Question Paper > AQA AS PHYSICS 7407/2 PAPER 2 MARKSCHEME JUNE 2021 (All)

preview
AQA AS PHYSICS 7407/2 PAPER 2 MARKSCHEME JUNE 2021

AQA AS PHYSICS 7407/2 PAPER 2 MARKSCHEME JUNE 2021

By Hannington , Uploaded: Jun 25, 2022

$13

 Physics> AQA A/As Level Question Paper > AQA 2022 PHYSICS AS LEVEL 7407 PAPER 1 QP (All)

preview
AQA 2022 PHYSICS AS LEVEL 7407 PAPER 1 QP

AQA 2022 PHYSICS AS LEVEL 7407 PAPER 1 QP

By MARKALLAN , Uploaded: Nov 24, 2022

$8

$7.00

Add to cart

Instant download

Can't find what you want? Try our AI powered Search

OR

GET ASSIGNMENT HELP
67
0

Document information


Connected school, study & course



About the document


Uploaded On

Apr 01, 2023

Number of pages

24

Written in

Seller


seller-icon
Cate

Member since 5 months

0 Documents Sold


Additional information

This document has been written for:

Uploaded

Apr 01, 2023

Downloads

 0

Views

 67

Document Keyword Tags

THE BEST STUDY GUIDES

Avoid resits and achieve higher grades with the best study guides, textbook notes, and class notes written by your fellow students

custom preview

Avoid examination resits

Your fellow students know the appropriate material to use to deliver high quality content. With this great service and assistance from fellow students, you can become well prepared and avoid having to resits exams.

custom preview

Get the best grades

Your fellow student knows the best materials to research on and use. This guarantee you the best grades in your examination. Your fellow students use high quality materials, textbooks and notes to ensure high quality

custom preview

Earn from your notes

Get paid by selling your notes and study materials to other students. Earn alot of cash and help other students in study by providing them with appropriate and high quality study materials.

WHAT STUDENTS SAY ABOUT US


What is Browsegrades

In Browsegrades, a student can earn by offering help to other student. Students can help other students with materials by upploading their notes and earn money.

We are here to help

We're available through e-mail, Twitter, Facebook, and live chat.
 FAQ
 Questions? Leave a message!

Follow us on
 Twitter
Useful links
  • Courses
  • Categories
  • We accept

    payment cards


    Copyright © Browsegrades · High quality services·