David Sang and Graham Jones Solutions for Chapter: Practical Skills at AS Level, Exercise 5: 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 5: Questions

Attempt the practice questions on Chapter 32: Practical Skills at AS Level, Exercise 5: 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 5: Questions with Hints & Solutions

HARD
AS and A Level
IMPORTANT

The depth of water in a bottle is measured as 24.3 cm, with an uncertainty of 0.2 cm. (This could be written as (24.3±0.2)cm.). Calculate the percentage uncertainty in this measurement.

EASY
AS and A Level
IMPORTANT

The angular amplitude of a pendulum is measured as (35±2)°.

 Calculate the percentage uncertainty in the measurement of this angle.

EASY
AS and A Level
IMPORTANT

The angular amplitude of a pendulum is measured as (35±2)°.

 The protractor used in this measurement was calibrated in degrees. Suggest why the user only feels confident to give the reading to within 2°.

EASY
AS and A Level
IMPORTANT

A student measures the potential difference across a battery as 12.4 V and states that his measurement has a percentage uncertainty of 2%. Calculate the absolute uncertainty in his measurement.