Test #7

Question 1

Wave speed formulation

Answer 1

V=λF

Question 2

What is a wave?

Answer 2

A repeated disturbance that is propagated along a medium

Question 3

What are the different types of waves?

Answer 3

Transverse and Longitude

Question 4

Why does a blue object appear blue in white light?

Answer 4

because it reflects blue like and absorbs every other color

Question 5

What wavelength of light is white light?

Answer 5

all wavelengths of light combined become white light

Question 6

Electromagnetic spectrum

Answer 6

All the types of light or Electromagnetic waves Here in order of:
Lowest energy
Longest wavelength
Lowest frequency

Question 7

Radio waves

Answer 7

Big long waves- used to transmit data

Question 8

Radio waves examples

Answer 8

Cell phone signals, radio (AM. FM) television. Long distance communication.

Question 9

microwave waves

Answer 9

slightly smaller (mostly harmless)

Question 10

microwave examples

Answer 10

In kitchen microwave – in wifi, Bluetooth. Fast short distance communication.

Question 11

infrared light

Answer 11

closest to visible light but too low frequency for most to see.

Question 12

infrared examples

Answer 12

Used in remotes, night vision, thermal vision, and heat lamps.

Question 13

visible light

Answer 13

The type of light we can see. ROYGBV

Question 14

visible examples

Answer 14

Light bulbs, Rainbows, Screens of all kinds, LEDS
Ionization radiation light but causes damage to cells.

Question 15

UV/Ultraviolet

Answer 15

close to visible light, but has more energy

Question 16

UV/Ultraviolet examples

Answer 16

Tanning beds (dangerous), Sunscreen. Light Disinfectants

Question 17

X-rays

Answer 17

high energy light. Translucent to soft tissues, not hard tissues.

Question 18

X-rays examples

Answer 18

medical x-rays

Question 19

Gamma rays

Answer 19

Highest energy, rarest, seldom seen on earth.

Question 20

Gamma Rays

Answer 20

high energy space explosions

Question 21

Mnemonic devices-

Answer 21

R M I V U X G
ROYGBV

Question 22

trasnparent

Answer 22

all waves can pass through

Question 23

translucent

Answer 23

some waves can pass through

Question 24

opaque

Answer 24

no waves can pass through

Question 25

absorb

Answer 25

the wave is taken in

Question 26

reflect

Answer 26

the ave bounces off

Question 27

refract

Answer 27

bend light as it passes through

Question 28

wavelength

Answer 28

a measure of a wave’s length. measured in meters

Question 29

frequency

Answer 29

the number of waves that pass through in a second measured in Hertz

Question 30

velocity