Physics Paper 3 Methods

Q1 a) Once the equipment has been set up which distance do you need to keep constant throughout the experiment?

• The end of the rule and the loop of string attached to the mass hanger

• The end of the rule and the loop of string attached to the spring

• The space between the clamp stands

• The distance between the end of the rule and the loop of string attached to stand B

Q1 a) To how many significant figures should you measure and record v?

• 3

• 2

• 1

• 4

Q1 b) Which value are you asked to change in the question?

• x

• y

• v

• none

Q1 c) How many values of x and y do you need to record?

• 2

• 3

• 10

• 6

Q1 c) Explain how you will obtain the required numbers of evenly distributed readings.

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Q1 c) Which of the following show the correct way to label a column in a table representing mass?

• Mass

• Mass (kg)

• Mass /kg

• Mass /g

• Mass (kg/g)

Q1 d) How do you know which quantity goes on the x-axis and which on the y-axis?

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Q1 d) What must you include on each axis?

• Scale

• Number of significant measured to

• Unit

• Quantity

Q1 d) Explain where on the graph you would position the line of best fit.

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Q1 d) Explain how you would calculate the gradient of the line of best fit

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