« previous next »

Author Question: Light has wavelength 600 nm in a vacuum. It passes into glass, which has an index of refraction of ... (Read 64 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
Light has wavelength 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.5. What is the frequency of the light inside the glass? (c = 3.0  108 m/s)
 
  A) 3.3  1014 Hz
  B) 5.0  1014 Hz
  C) 3.3  105 Hz
  D) 5.0  105 Hz

Question 2

A 200- resistor is rated at 1/4 W. What is the maximum voltage that can safely be connected across it?
 
  A) 0.71 V
  B) 7.1 V
  C) 50 V
  D) 0.25 V


xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 29, 2018
Thank you!


xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The average adult has about 21 square feet of skin.

Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas light Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas light
Although crassly put by the cartoonist, behind the glass ceiling lies this background assumption. Although crassly put by the cartoonist, behind the glass ceiling lies this background assumption.
Light Light
Absorption spectra and light energy Absorption spectra and light energy
Light Vehicle Diesel Engines Light Vehicle Diesel Engines
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

For a complete list of videos, visit our video library