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

Author Question: A camera uses a biconvex lens made of glass with an index of refraction of 1.60 and has a radius of ... (Read 51 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
A camera uses a biconvex lens made of glass with an index of refraction of 1.60 and has a radius of curvature of 12. cm for the 1st surface and 24. cm for the 2nd.
 
  (a) What is the focal length of this lens when used in air?
  (b) If used under water (n = 1.33), what is the focal length?

Question 2

The energy required to accelerate an interstellar spaceship depends on
 
  A) its mass only
  B) its final velocity only
  C) the type of fuel it uses
  D) its mass and final velocity


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lkoler

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 13. cm
(b) 39. cm

Answer to Question 2

D


urbanoutfitters

  • Member
  • Posts: 530
Reply 2 on: Jul 27, 2018
:D TYSM

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

A purse made from a cane toad. A purse made from a cane toad.
Bulletproof glass Bulletproof glass
A healthy diet is made up of well-balanced nutrients. A healthy diet is made up of well-balanced nutrients.
Pacific Decadal Oscillation: PDO index Pacific Decadal Oscillation: PDO index
Body Mass Index (IBM) Body Mass Index (IBM)
A spherical water tank with an inner radius of 4 m has its lowest point 3 m ... A spherical water tank with an inner radius of 4 m has its lowest point 3 m ...
Video: Immune responses Animation

For a complete list of videos, visit our video library