Light Flashcards

(38 cards)

1
Q

What is a concave mirror?

A

Reflecting surface that curves like the inside of a spoon.

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2
Q

What is reflection?

A

Bouncing of a light wave off a surface

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3
Q

When are images formed better? Rough or Smooth Surface?

A

smooth

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4
Q

What is translucent light?

A

Only some light can pass through the object

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5
Q

What is opaque light?

A

no light can pass through the object

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6
Q

What is reflection?

A

Bouncing of a wave off a surface

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7
Q

What does absorb light mean?

A

Takes in the light

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8
Q

What is refraction of light?

A

The bending of a wave as it moves from one material to another

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9
Q

What does it mean to transmit light?

A

Allow something to pass through a medium

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10
Q

What is light?

A

A form of energy you can see

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11
Q

What is electromagnetic spectrum?

A

A group of waves including visible light that can travel through space

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12
Q

What is direct light?

A

Most important source is sunlight.

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13
Q

What is indirect light?

A

Type of light we use the most

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14
Q

What is visible spectrum?

A

White light and the colors of light in it (ROYGBIV)

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15
Q

Examples of Transparent Light

A

Glass, Water, Clear objects

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16
Q

Examples of Translucent Light

A

Plastic?
Blinds?
Bottle?

17
Q

Examples of Opaque light?

A

Wall
Desk
Table

18
Q

Examples of Direct Light?

A

Sun light
Stars
Volcano

19
Q

Examples indirect light?

A

TV
Match
Fireflies

20
Q

Examples of Reflected light?

A

Moon
Planet
Mirror

21
Q

What colors make up the visible spectrum (white light)? List in correct order.

A

Red, Orange, Yellow, Green, Blue, Indigo, Violet

22
Q

Which color of visible light has the least amount of energy

23
Q

Which color of visible light has the most amount of energy?

24
Q

What color reflects the most light?

25
Why are the seven colors of visible light always seen in a specific order?
They are in order from slowest to fastest energy
26
What happens to the colors of visible light when we see black?
It is absorbing the light
27
Your friend is wearing a blue shirt. Why are you able to see blue and not any other colors of the visible spectrum? Use the words reflect and absorb.
Blue absorbs off and the other colors reflect
28
Four examples of concave mirrors to reflect light?
Search lights headlights flashlights telescope
29
Two places you would find a convex mirror?
Automobile rearview mirror | Department stores?
30
What happens to light waves when they hit a surface at an angle and change speeds?
They bend
31
Light waves are also refracted when they pass from air into
clear glass? | plastic?
32
A curved piece of glass, plastic, or other clear material is known as a____?
lens
33
Convex lenses are thicker in the middle or outside?
Middle
34
Concave lenses are thicker in the middle or outside?
outside
35
What type of lens does your eyes have?
Convex
36
What type of lens magnifies an object?
Convex lens
37
Name four ways lasers are used to assist people?
Long distance calls Clean old paintings Treat unhealthy body parts Used as a ruler, knife, or drill
38
What is convex mirror?
Reflecting surface that curves like the outside of the spoon