Author Question: A ray in air is incident on a glass plate whose index of refraction is 1.42. The angle of refraction ... (Read 216 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
A ray in air is incident on a glass plate whose index of refraction is 1.42. The angle of refraction is one half the angle of reflection. The angle of refraction is closest to:
 
  A) 45
  B) 43
  C) 41
  D) 39
  E) 37

Question 2

What is the self-inductance of a solenoid 30.0 cm long having 100 turns of wire and a cross-sectional area of 1.00  10-4 m2? (0 = 4  10-7 T  m/
 
  A)
  A) 4.19 nH
  B) 4.19 pH
  C) 4.19 H
  D) 4.19 mH
  E) 4.19 H



iman

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

For a complete list of videos, visit our video library