AQA A-Level Physics Astrophysics Course

Beschreibung

A Quiz for testing knowledge on the whole astrophysics course
Tom Frampton
Quiz von Tom Frampton, aktualisiert more than 1 year ago
Tom Frampton
Erstellt von Tom Frampton vor mehr als 7 Jahre
244
2

Zusammenfassung der Ressource

Frage 1

Frage
What type of lens is used for observing the night sky?
Antworten
  • Converging
  • Diverging
  • Concatonating
  • Diffracting

Frage 2

Frage
What happens to light when it passes from air into a lens?
Antworten
  • It slows down
  • It speeds up
  • It bends towards the normal
  • It bends away from the normal
  • It is reflected off

Frage 3

Frage
A convex lens is a type of converging lens
Antworten
  • True
  • False

Frage 4

Frage
What are components of a ray diagram?
Antworten
  • Principal Axis
  • The Singularity
  • The Focal Length
  • The Principal Focus
  • The Headline
  • The Lens Cap

Frage 5

Frage
True or False - This ray diagram shows an object between F and 2F
Antworten
  • True
  • False

Frage 6

Frage
True or False - This image shows a ray diagram of an object at 2F
Antworten
  • True
  • False

Frage 7

Frage
What are the 3 properties of an image on a ray diagram?
Antworten
  • Magnification
  • Direction
  • Orientation
  • Nature
  • Shape
  • Curvature

Frage 8

Frage
True or False - The image shows The Lens Formula
Antworten
  • True
  • False

Frage 9

Frage
True or False - Converging lenses must have positive focal lengths, and diverging lenses must have negative focal lengths for the formula to work.
Antworten
  • True
  • False

Frage 10

Frage
True or False - For the formula to work, distances to real images should be negative and those to virtual images should be positive
Antworten
  • True
  • False

Frage 11

Frage
True or False - this diagram shows an Astronomical Telescope in normal adjustment
Antworten
  • True
  • False

Frage 12

Frage
The units for the Small Angle Approximation are:
Antworten
  • angle = radians height = centimetres distance = meters
  • angle = radians height = metres distance = parsecs
  • angle = radians height = metres distance = metres
  • angle = degrees height = metres distance = metres

Frage 13

Frage
The formula for Angular Magnificatio = fe/f0
Antworten
  • True
  • False

Frage 14

Frage
Select features which define a reflecting telescope
Antworten
  • They use a spherical mirror
  • They can suffer from spherical aberration
  • They feature a principal axis
  • They use the idea of angle of incidence = angle of refraction
  • A parabolic mirror is used
  • They suffer from chromatic aberration

Frage 15

Frage
What are the differences and similarities between reflecting telescopes and Cassegrain Telescopes?
Antworten
  • They both use elliptical mirrors
  • They both suffer from spherical aberration
  • A reflecting telescope has only one mirror, while a cassegrain telescope has two - a primary mirror and a secondary mirror
  • Both mirrors have holes in them

Frage 16

Frage
A Cassegrain reflector uses a secondary mirror to direct light rays reflected by the primary mirror through a hole in the primary mirror towards the observer
Antworten
  • True
  • False
Zusammenfassung anzeigen Zusammenfassung ausblenden

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