P6: VISIBLE LIGHT

Question 1

What is white light a combination of?

Answer 1

all colours

Question 2

What is black?

Answer 2

the absence of colour

Question 3

What colour has the longest wavelength?

Answer 3

red

Question 4

What colour has the shortest wavelength?

Answer 4

violet

Question 5

What colours does a white object reflect?

Answer 5

all colours

Question 6

What colour does a red object reflect?

Answer 6

red

Question 7

What colour does a green object reflect?

Answer 7

green

Question 8

How does a white object appear in white light?

Answer 8

white

Question 9

How does a red object appear in white light?

Answer 9

red

Question 10

How does a green object appear in white light?

Answer 10

green

Question 11

How does a white object appear in red light?

Answer 11

red

Question 12

How does a red object appear in red light?

Answer 12

red

Question 13

How does a green object appear in red light?

Answer 13

black

Question 14

Why does a green object appear black in red light?

Answer 14

-green objects can’t reflect red light
-the red light is absorbed by the object
-so it appears black

Question 15

What does it mean if an object is opaque?

Answer 15

light cannot be transmitted through it

Question 16

What does it mean if an object is translucent?

Answer 16

it transmits light but distorts it and doesn’t allow an image to been seen clearly on the other side

Question 17

What does it mean if an object is transparent?

Answer 17

it transmits light and allows an image to been seen clearly on the other side