Waves

Descripción

GCSE Physics Test sobre Waves, creado por kate.siena el 31/03/2014.
kate.siena
Test por kate.siena, actualizado hace más de 1 año
kate.siena
Creado por kate.siena hace más de 10 años
1982
61

Resumen del Recurso

Pregunta 1

Pregunta
In a transverse wave the oscillations are perpendicular to the direction of energy transfer
Respuesta
  • True
  • False

Pregunta 2

Pregunta
Transverse waves cannot travel through a vacuum
Respuesta
  • True
  • False

Pregunta 3

Pregunta
Frequency is measured in...
Respuesta
  • Ohms
  • Hertz
  • m/s

Pregunta 4

Pregunta
When light enters a more dense medium it is refracted
Respuesta
  • towards the normal
  • away from the normal

Pregunta 5

Pregunta
Waves are not refracted if they are travelling along the normal
Respuesta
  • True
  • False

Pregunta 6

Pregunta
Which are true?
Respuesta
  • Electromagnetic waves are transverse
  • Sound are transverse
  • Some waves transfer energy
  • In longitudinal waves, there are compressions and rarefactions
  • In longitudinal waves, there are compressions and expansions

Pregunta 7

Pregunta
Which are uses for microwaves?
Respuesta
  • remote controls
  • sterilising surgical instruments
  • mobile phones
  • satellite television
  • bluetooth
  • security marking

Pregunta 8

Pregunta
Long exposure to electromagnetic waves can cause serious damage to cells in our bodies
Respuesta
  • True
  • False

Pregunta 9

Pregunta
What is the range of human hearing?
Respuesta
  • 200 - 20000 Hz
  • 20 - 2000 Hz
  • 20 - 200000
  • 20 - 20000Hz
  • 200 - 2000 Hz

Pregunta 10

Pregunta
When waves are reflected, the angle of incidence = angle of refraction
Respuesta
  • True
  • False

Pregunta 11

Pregunta
What is the normal?
Respuesta
  • A line parallel to the reflecting surface at the point of incidence
  • A line perpendicular to the reflecting surface at the point of incidence
  • A line diagonal to the reflecting surface at the point of incidence

Pregunta 12

Pregunta
The Doppler Effect is a change in the observed wavelength and frequency
Respuesta
  • True
  • False
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