This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If it takes 50 photons per 0.1 s entering the eye so that the brain senses the light, which of the ... (Read 52 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Jul 28, 2018
If it takes 50 photons per 0.1 s entering the eye so that the brain senses the light, which of the following colors of light would be delivering the most power to the eye at this minimum perception level?
 a. red
  c. blue
  b. violet
  d. All would be delivering the same power.

Question 2

If the barrier width for an STM is 0.1 nm, what would be the corresponding minimum momentum uncertainty of an electron traversing this boundary?
 a. 1025 kgm/s
  c. 1024 kgm/s
  b. 1023 kgm/s
  d. 1022 kgm/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zenzy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


pepyto

  • Hero Member
  • *****
  • Posts: 547
Reply #2 on: Jul 28, 2018
Thank you!


zenzy

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Brain Cells of a laboratory mouse Brain Cells of a laboratory mouse
Light palpation with the hands Light palpation with the hands
Acetylcholinergic Pathways in a Rat Brain Acetylcholinergic Pathways in a Rat Brain
Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ... Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ...
Two regions of the brain involved in sleep. The anterior hypothalamus and adjacent basal forebrain ... Two regions of the brain involved in sleep. The anterior hypothalamus and adjacent basal forebrain ...
Split-brain patients were shown composite photographs Split-brain patients were shown composite photographs
Video: Hemoglobin's affinity with oxygen - carbon dioxide, temperature and bisphosphoglycerate (BPG)

For a complete list of videos, visit our video library