P1b Physics Revision.

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Presentation transcript:

P1b Physics Revision

Draw a diagram to explain what a WAVE is… Show the Amplitude and Wavelength

Visible Light waves Radio Waves Gamma waves X-rays waves Infrared Waves Microwaves Ultra Violet Waves Put these e/m waves in order from lowest to highest frequency.

Speed of a wave wavelength Frequency What equation links these three?

Visible Light waves Radio Waves Gamma waves X-rays waves Infrared Waves Microwaves Ultra Violet Waves Which EM wave is used for satellite communication and mobile phones?

Visible Light waves Radio Waves Gamma waves X-rays waves Infrared Waves Microwaves Ultra Violet Waves Which EM waves are used in fibre optics?

Visible Light waves Radio Waves Gamma waves X-rays waves Infrared Waves Microwaves Ultra Violet Waves Which EM wave is used to image at bones?

Visible Light waves Radio Waves Gamma waves X-rays waves Infrared Waves Microwaves Ultra Violet Waves Which EM wave is used in a sun bed?

Draw an example of a digital wave.

Draw an example of an analogue wave.

What two particles exist in the nucleus of an atom?

What is an Isotope?

What are the three types of nuclear radiation?

Paper Thin metal Thick concrete Which type of radiation is blocked by each one?

Polonium has a half-life of 120 days Polonium has a half-life of 120 days. How long will it take for there to be ¼ left?

What does half-life mean?

Name two uses for Alpha radiation

Draw a basic diagram to explain what happens to the wavelength of sound when a police car is moving towards and away from you.

What evidence do we have that the universe started with a big bang?

Give one advantage of using a radio-wave telescope.