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AQA A level Physics Paper 1 Questions & Answers 2023 (Verified Answers)

AQA A level Physics Paper 1 Questions And Detailed Answers 1 eV = - 1.6x10^-19 Joules Absolute Refractive Index - The ratio between the speed of light in a vacuum and the speed of light in that material Absorption - When some of the signal's energy is absorbed by the material that the fibre is made from leading to a loss of amplitude of the signal Alpha Decay - Occurs in nuclei of 82 protons or more that consists of an alpha particle being emitted Amplitude - The ...

AQA A Level Physics-Waves Quiz with Q & A-2024 Progressive waves transfer ______, not ______ ANSWER Energy, matter Waves are produced by... ANSWER particles or fields oscillating at the source Evidence showing that waves carry energy: ANSWER Heating, physical vibration, loss of energy from the source, electricity generation, ionisation 2 main types of wave ANSWER Transverse and Longitudinal Longitudinal waves - the direction of particle/field oscillations is ________ to the direct...

AQA A-level Particle Physics with Latest Questions and Expert Answers Every atom has ANSWER positively charged nucleus surrounded by negatively charged electrons Nucleus consists of ANSWER protons and neutrons Neutrons are ANSWER uncharged Protons and electrons have ANSWER fixed equal and opposite charge Uncharged atoms have ANSWER the same number of protons and electrons Radioactive substances emit radiation because ANSWER they are unstable When radiation from radioactive s...

AQA A level Physics Scholar Overview Exam with Questions and Answers Current ANSWER Rate of flow of charge Coulomb ANSWER The amount of charge passing a point when a current of 1A flows for 1s Potential difference ANSWER The work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode ANSWER The voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias ANSWER When very little currency can ...

A Level Physics AQA Terminologies Combo & Definitions Exam Absolute Zero ANSWER Lowest possible temperature, 0K, object has minimum internal energy. Acceleration ANSWER Change of velocity per unit time. Activity of a Radioactive Isotope ANSWER Number of nuclei of the isotope that disintegrate per second. Becquerel (Bq) ANSWER Unit of radioactive activity, 1Bq = 1 disintegration per second. Amplitude ANSWER Maximum displacement from equilibrium of oscillating object. Angular Di...

A Level Physics AQA Preparation Guide for Upcoming Exams with Q & A Vector ANSWER A quantity that has magnitude and direction Absolute Zero ANSWER Lowest possible temperature, 0K, object has minimum internal energy. Scalar ANSWER A quantity that only has magnitude Acceleration ANSWER Change of velocity per unit time. free body diagram ANSWER a diagram showing all the forces acting on an object Activity of a Radioactive Isotope ANSWER Number of nuclei of the isotope that disinte...

A stroboscope emits bright flashes of white light. The duration of each flash and the frequency of the flashes can be varied. Table 1 shows information about the stroboscope. Table 1 Minimum Maximum Duration of each flash / μs 60 300 Frequency of flashes / Hz 1 150 The duration of each flash is T1. The time from the start of a flash to the start of the next flash is T2. The duty cycle of a stroboscope is defined as 1 TT2 . 0 1 . 1 What is the maximum duty cycle of the stroboscope? ...

The neutral lambda particle Λ0 is a baryon with a strangeness of −1 One possible decay for a Λ0 is 0 0 Λ → π + n 0 1 . 1 Deduce the quark structure of a Λ0. [1 mark] 0 1 . 2 State and explain which interaction is involved in this decay. [2 marks] 0 1 . 3 An antiparticle of the neutral lambda particle decays into a neutral pion and particle X. Identify X. [1 mark] Do not write outside the box3 *03* Turn over ► IB/M/Jun23/7408/1 Do not write outside the 0 1 . 4 The re...

The neutral lambda particle Λ0 is a baryon with a strangeness of −1 One possible decay for a Λ0 is 0 0 Λ → π + n 0 1 . 1 Deduce the quark structure of a Λ0. [1 mark] 0 1 . 2 State and explain which interaction is involved in this decay. [2 marks] 0 1 . 3 An antiparticle of the neutral lambda particle decays into a neutral pion and particle X. Identify X. [1 mark] Do not write outside the box3 *03* Turn over ► IB/M/Jun23/7408/1 Do not write outside the 0 1 . 4 The re...