Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CE Physics > P6 Light > Flashcards

P6 Light Flashcards

You may prefer our related Brainscape-certified flashcards:
Physics 101 flashcards AP® Physics flashcards
1
Q

We can see a flame directly because it is…

reflective opaque transparent luminous

A

luminous (a source of light)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

You can see a sheep in a field because light from the ____________ hits the sheep and ____________ into our ____________ .

A

You can see a sheep in a field because light from the SUN hits the sheep and BOUNCES into our EYES .

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

An example of a luminous object is…

an eye wax a television screen a mirror

A

a television screen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

An example of a luminous object is…

the Sun the Moon Jupiter a comet

A

The Sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When outside, we can see a flower because light from the Sun hits the flower and is…

absorbed refracted scattered coloured

A

scattered

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Light cannot pass through cardboard because cardboard is…

translucent opaque transparent solid

A

opaque

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Light can pass through tissue paper but an image cannot be seen because tissue paper is…

translucent reflective opaque transparent

A

translucent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Light passes freely through Perspex and an image can be seen because Perspex is…

solid translucent opaque transparent

A

transparent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

When a ray of light reflects off a plane mirror, the angles of incidence and reflection always…

add up to 90˚ are 90˚ add up to 180˚ are equal

A

are equal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Light bounces off a plane mirror at a precise angle because a mirror is…

A

reflective

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A rainbow is caused by…

A

sunlight being dispersed by passing through raindrops

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

White light passing through a glass prism may be dispersed to form a…

A

spectrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Light may be refracted as it passes through a glass block because glass and air are both…

A

transparent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Light is bent as it passes from water to air because of…

A

refraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

White light passing through a prism is…

A

dispersed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Explain how in a dark room it is possible to see the lights on a Christmas tree.

A

Light from the bulbs or LEDs travels into our eyes

17
Q

Explain how in a dark room it is possible to see the decorations on a Christmas tree (complete with LED lights).

A

Light from the LEDs bounces off the decorations into our eyes

18
Q

Explain why shadows are formed.

A

Light travels in straight lines

19
Q

What is happening to the light at positions 1 and 2?

A

light is being refracted

20
Q

What is happening to the light at positions 3 and 4?

A

white light is being dispersed into colours

21
Q

What is visible at position 5?

A

A spectrum (red, orange, yellow, green, blue, indigo, violet)

22
Q

The dotted pink perpendicular line is called the…

A

Normal

23
Q

If the angle of incidence (i) is 38˚ then the angle of reflection (r) would be…

A

38˚

CE Physics (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions