A student obtains the following data for two variables T and m . T / s m / kg 4.6 0.90 6.3 1.20 The first value of $T$ has an uncertainty of ± 0 . 2 s . Do the results show that T is proportional to m ?

As 4 . 6 ± 2 6 . 3 i s n o t e q u a l t o 0 . 90 1 . 20 So, the result don't show that T is proportional to m.

A student obtains the following values of two variables r and Y . r / cm t / s 6.2 4.6 12.0 6.0 The first value of r has an uncertainty of ± 0 . 2 cm , which is much greater than the percentage uncertainty in t . Do the results show that t 2 is proportional to r ?

In the given question we have to use the concept of uncertainty and apply it to solve the given question. 6 . 2 ± 0 . 2 2 = 38 . 44 ± 0 . 4 N o w , 6 . 2 ± 0 . 2 12 i s n o t e q u a l t o 4 . 6 2 6 2 Hence, t 2 is not proportional to r will be the correct answer of the given question.

E M B I B E

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 32 - Practical Skills at AS Level>Questions

David Sang and Graham Jones Solutions for Chapter: Practical Skills at AS Level, Exercise 8: Questions

Author:David Sang & Graham Jones

David Sang Physics Solutions for Exercise - David Sang and Graham Jones Solutions for Chapter: Practical Skills at AS Level, Exercise 8: Questions

Attempt the free practice questions on Chapter 32: Practical Skills at AS Level, Exercise 8: Questions with hints and solutions to strengthen your understanding. Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access solutions are prepared by Experienced Embibe Experts.

Questions from David Sang and Graham Jones Solutions for Chapter: Practical Skills at AS Level, Exercise 8: Questions with Hints & Solutions

EASY

AS and A Level

IMPORTANT

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 32 - Practical Skills at AS Level>Questions>Q 15

A student obtains the following data for two variables $T$ and $m$ .

T / s	m / kg
4.6	0.90
6.3	1.20

The first value of $T$ has an uncertainty of $\pm 0.2 s$ . Do the results show that $T$ is proportional to $m$ ?

EASY

AS and A Level

IMPORTANT

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 32 - Practical Skills at AS Level>Questions>Q 16

A student obtains the following values of two variables $r$ and $Y$ .

r / cm	t / s
6.2	4.6
12.0	6.0

The first value of $r$ has an uncertainty of $\pm 0.2 cm$ , which is much greater than the percentage uncertainty in $t$ . Do the results show that $t^{2}$ is proportional to $r$ ?

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