# Resources by Physics Online

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### A level physics practical - polarisation of microwaves

This simple demonstration shows how plane polarised microwaves respond to rotating a filter (metal strips attached to plastic) through 90⁰.

The experiment can be extended by measuring the intensity of microwaves detected by the receiver at different filter angles and so showing Malus’s law.

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### A Level Physics - Daily Workout - Book 1 of 6

A physics revision workbook with daily problems and designated pages for self-evaluation.

### A Level Physics - Daily Workout - Book 2 of 6

A physics revision workbook with daily problems and designated pages for self-evaluation.

### A level physics practical - standing waves on a string (Melde's apparatus)

This video demonstrates how standing waves on a string can be produced by using a signal generator and vibration generator (Melde’s apparatus).

Both nodes (zero displacement) and anti-nodes (maximum displacement) are created at different frequencies.  The distance between nodes is given as 1/...

### A PASCO smart cart set up for acceleration

A descriptive and detailed pair of videos that explains how to use the PASCO Smart Cart to measure the acceleration of a moving cart.  The resource explains how to use the phone app to interpret the measured data.

PASCO smart cart set up for acceleration

PASCO smart cart set up for acceleration 2...

### A waves on water distance and time Gratnell tray

This video explains how to measure the speed of water waves using an alternative to the ripple tank wave experiment; water in a Gratnell tray. In order to calculate the speed of a wave, we need to measure the distance covered by a wave in the time it takes to cover that distance.

### Acceleration and force

A pair of videos that explains how to demonstrate the Newton’s Second Law required practical. The first demonstrates an experiment we can do in order to investigate the relationship between the acceleration of an object (with a constant mass) and the applied force.  The second explains how to interpret the data,...

### Acceleration and mass

A pair of videos that explains how to demonstrate the Newton’s Second Law required practical. The first demonstrates an experiment we can do in order to investigate the relationship between the acceleration of an object (with a constant force) and its mass.  The second explains how to interpret the data, plot the...