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.

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?

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.

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