P2 Radiation and life quiz

Descripción

Quiz on P3 (Radiation and life).
namitha md
Test por namitha md, actualizado hace más de 1 año
namitha md
Creado por namitha md hace más de 7 años
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Resumen del Recurso

Pregunta 1

Pregunta
Intensity is how much energy arrives at a surface each second. True or false.
Respuesta
  • True
  • False

Pregunta 2

Pregunta
If the surface area increases, there are [blank_start]less[blank_end] photons hitting per square metre, they are [blank_start]more spread out[blank_end].
Respuesta
  • less
  • more
  • no
  • more spread out
  • closer together

Pregunta 3

Pregunta
What is electromagnetic radiation?
Respuesta
  • Electromagnetic radiation is the transfer of energy from one point to another.
  • Electromagnetic radiation is how much energy arrives at a surface each second.

Pregunta 4

Pregunta
Energy is transferred in something called [blank_start]photons[blank_end] (small packets of energy).
Respuesta
  • photons
  • atoms
  • molecules
  • polymers
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