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A-Level Physics: AQA Year 1 & 2 Exam Practice Workbook - includes Answers: superb for the 2024 and 2025 exams (CGP AQA A-Level Physics)

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b State which particles in the carbon atom are hadrons and how many hadrons in total are found in one neutral atom of carbon. An isotope of phosphorus 30 decays by emitting a beta-minus-particle (β− or −10e) and an 15P electron antineutrino (ν) to form a Si nucleus.

Your graph should show the amplitude of oscillation decreasing significantly in the time of about five oscillations. c Use this idea to explain why the specific latent heat of vaporisation is greater than the specific latent heat of melting for a given substance.ideal gas: a gas that behaves according to the equation pV = nRT mole: the amount of a substance that contains the same number of particles as there are in 0. By using the Web site, you confirm that you have read, understood, and agreed to be bound by the Terms and Conditions. Identifying forces You can determine how an object will move by considering all the forces acting on it. Calculate the distance of each spacecraft from the centre of the Earth and the gravitational force on it (gravitational constant G = 6. c Which of the diagrams represents the forces acting as the parachutist falls at a slow, steady speed?

In practice, the force needed to compress the gas would increase as the piston is pushed downwards (because the pressure of the gas would increase). Rearrange the equation that defines acceleration to find the height of the triangle in terms of a and t. In practice, several measurements of load and extension would be made and a graph drawn of stress against strain. In this exercise you will answer questions about thermometers and the Celsius and thermodynamic (Kelvin) scales of temperature.b Sketch a graph of pressure against volume to show how these quantities will change as the air is compressed. In an experiment using double slits, eight fringe spacings on the screen are found to occupy a distance of 0. When there are two or more charges present, we can calculate the electric force (or the field strength) by working out the forces due to each charge separately and adding them together.

The upthrust of the water on the block arises because the pressure of the water produces a greater force on the lower surface of the block than on the upper surface. iii At points B, E, F and G, the path difference from the point to the two sources is _______________ iv The two waves arrive _______________ phase and they _______________ interfere. In fact, the pressure at the surface of the liquid is atmospheric pressure, due to the atmosphere above. When the length of the air column is 4λ , a stationary sound wave is produced with one node and one antinode.State whether the collisions between the particle and the walls of the cube are elastic or inelastic. c Knowing that the beam is balanced (in equilibrium), we can say that there is no resultant force acting on it. Channels of communication This exercise helps develop your understanding of the different ways and frequencies in which data is sent from place to place. Using the correct terms to explain stationary waves It is important to be able to use terms such as amplitude and phase correctly and to make comparisons.

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