Important Flashcards Preview

Physics > Important > Flashcards

Flashcards in Important Deck (13)
Loading flashcards...
1
Q

Draw the refraction of light in glass

A
2
Q

What is the image produced by a conveging lens like when the object is more than two focal lengths from the centre of the lens? and Draw it

A
  • The image is real
  • The image is inverted
  • The image is diminished (smaller than the object)
  • Examples: the eye and cameras
3
Q

What is the image produced by a conveging lens like when the object is between one and two focal lengths from the centre of the lens?

A
  • The image is real
  • The image is inverted (upside down)
  • The image is magnified (larger than the object)
  • Examples are the projector and the photocopier
4
Q

What is the image produced by a conveging lens like when the object is two focal lengths from the lens

A
  • The image is the same size as the object
  • Image is real
  • Image is inverted
5
Q

What is the image produced by a conveging lens like when the object is between the principal focus and the centre of the lens?

A
  • The image is erect (the right way up)
  • The image is Virtual
  • The image is magnified
  • The image is also on same side of the lens as the object
  • Am example is a magnifying glass
6
Q

Draw the reflection of wavefronts on a plane mirror

A
7
Q

Draw the diffraction of wavefronts at a glass block

A
8
Q

Diffraction of wavefronts at a gap

A
9
Q

Diffraction of wavefronts at an edge

A
10
Q

Diffraction of wavefronts round an obstacle

A
11
Q

Draw the dispersion of white light through a prism (red and blue)?

A
12
Q

How do gas particles exert a high pressure on the walls on the inside of a container?

A
  • molecules hit walls
  • Particles rebound and change momentum
  • Exerts force on wall and there are many collisions across area of wall
13
Q

What is the difference between evaporation and boiling?

A
  • evaporation only occurs from the surface of the liquid. Boiling happens throughout the liquid
  • Evaporations does not produce bubbles whereas boiling does
  • Evaporation results in cooling whereas Boiling does not