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

Author Question: The fact that a pin placed carefully on the surface of the water can remain there without sinking is ... (Read 30 times)

brutforce

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
The fact that a pin placed carefully on the surface of the water can remain there without sinking is best explained by
 
  A) gravitation.
  B) gauge pressure.
  C) surface tension.
  D) Archimedes' principle.
  E) viscosity.

Question 2

The critical angle for a beam of light passing from water into air is 48.8. This means that all light rays with an angle of incidence greater than this angle will be
 
  A) absorbed.
  B) totally reflected.
  C) partially reflected and partially transmitted.
  D) totally transmitted.
  E) totally polarized.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


brutforce

  • Member
  • Posts: 540
Reply 2 on: Jul 29, 2018
Excellent

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Philippine Spider Water Beetle Philippine Spider Water Beetle
The Water Cycle The Water Cycle
Water Water
West nomogram for estimation of surface areas. West nomogram for estimation of surface areas.
A typical purified water system A typical purified water system
Directs surface flow of air Directs surface flow of air
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library