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AQA Physics paper 1 Questions & Answers(RATED A)

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Energy is transferred between stores - ANSWERThermal, kinetic, gravitational potential, elastic potential, chemical, magnetic, electrostatic, nuclear Energy is transferred... - ANSWERMechanically (by a force doing work), electrically (work done by moving charges), by heating or by radiation (like light or sound) When a system changes, energy is transferred - ANSWERIt can be transferred into or away from the system, between objects in the system or between different types of energy stores. ...

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AQA Physics Paper 1 Correct 100%

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conservation of energy - ANSWERlaw that says energy cannot be created or destroyed, but can change forms uses of friction - ANSWER- rubbing hands for warmth - break pads on bikes Increase efficiency - ANSWER- add lubricant - reduce friction internal energy - ANSWERthe sum of the kinetic and potential energies of all particles in the system Conduction - ANSWERThe direct transfer of heat from one substance to another substance that it is touching. Convection - ANSWERThe transfer o...

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AQA GCSE Physics - Paper 1 Questions & Answers 100% Correct

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Energy Stores - ANSWER1) Elastic potential 2) Gravitational potential 3) Thermal 4) Electrostatic 5) Nuclear 6) Chemical 7) Kinetic 8) Magnetic 9) Light 10) Sound How is energy transferred? - ANSWER1) Mechanically - force doing work 2) Electrically - work done by moving charges 3) Heating/Radiation - light, sound How can work be done? - ANSWERWhen a current flows or by a force moving an object Kinetic energy formula - ANSWERE=1/2mv² Kinetic energy(J) = 0.5 x mass(kg) x s...

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aqa a level physics paper 1 Questions & Answers(RATED A)

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What is meant by work function (2) - ANSWERMinimum energy required by an electron to escape from (1) a metal surface (1) What is meant by ionisation energy? (2) - ANSWERMinimum energy required to remove an electron from an atom (1) from the ground state (1) Why do emitted electrons have a kinetic energy that varies up to a maximum value? (4) - ANSWEREnergy of a photon is fixed/constant (1) Energy is required for electrons to overcome work function ø (1) Electrons deeper into/below the s...

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Physics paper 1 2023 Correct 100%

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step-up transformer (first transformer in a national grid diagram) - ANSWERa transformer that increases voltage step-down transformer (second transformer in a national grid diagram) - ANSWERa transformer that decreases voltage transformer - ANSWERA device that increases or decreases the voltage of alternating current transformer - ANSWERdecreases current Power=(current)^2*resistance - ANSWERP=I^2*R Resistance equation - ANSWERVoltage/current Efficiency equation - ANSWEREfficien...

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AQA A level Physics Paper 1 Questions & Answers(RATED A+)

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Current - ANSWERRate of flow of charge Coulomb - ANSWERThe amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWERThe work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWERThe voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWERWhen very little currency can flow in the reverse direction of a diode Variable Resistor - ANS...

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Physics paper 1 2023_2024 100% Correct!!

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Question 1.1 - ANSWERIncrease Decrease What equation links current power and resistance? - ANSWERP=I^2R Calculate the resistance - ANSWERP= I^2R work out calc Write down the equation which links efficiency, total energy input and useful energy output? - ANSWEREfficiency = useful energy output/total energy input Calculate the useful energy output from this power station? - ANSWERX both num together Suggest why the student left the themometer in iron block for a few min before rec...

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AQA GCSE Physics Paper 2 Megaset Questions 100% Correct!!

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A measurement result is considered accurate if it is judged to be close to the true value. - ANSWERAccuracy Marking a scale on a measuring instrument. This involves establishing the relationship between indications of a measuring instrument and standard or reference quantity values which must be applied. For example, placing a thermometer in melting ice to see whether it reads zero in order to check if it has been calibrated correctly. - ANSWERCalibration Information, either qualitative or...

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Basic Dysrhythmia-Relias Exams 100% Correct

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normal sinus rhythm - ANSWERheart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute Sinus Arrhythmia - ANSWERAppearance is ALMOST NORMAL: Respiratory - Circulatory interaction Rate INCREASES with INSPIRATION (IN=IN) Sinus Bradycardia - ANSWER<60 normal sinus rhythm Sinus Tachycardia - ANSWER>100 (100-150) normal sinus rhythm Premature Atrial Contraction (PAC) - ANSWERHeart Rate: Depends on underlying rhythm Regularity: ...

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Relias Dysrhythmia Basic A Questions & Answers 100% Correct

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Normal sinus rhythm - ANSWERRegular Rate: 60-100 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Bradycardia - ANSWERRegular Rate: <60 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Tachycardia - ANSWERRegular Rate: 100-150 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Premature Atrial Contraction - ANSWERIRREGULAR Rate: depends on underlying rhythm P wave: Present or hidden in T wave PR...

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