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

Author Question: A 100-W light bulb is operated by a 110-V dc source. What is the resistance of this bulb? A) 240 ... (Read 115 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 29, 2018
A 100-W light bulb is operated by a 110-V dc source. What is the resistance of this bulb?
 
  A) 240  B) 6.0  10-3  C) 120  D) 100  E) 8.0  10-3

Question 2

In a single-slit diffraction experiment, the width of the slit through which light passes is reduced. What happens to the width of the central bright fringe?
 
  A) It becomes narrower.
  B) It stays the same.
  C) Its behavior depends on the wavelength of the light.
  D) It becomes wider.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

D


littleanan

  • Member
  • Posts: 575
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Excellent

« 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?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Technique of Light Palpation Technique of Light Palpation
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore
Measles rash. (© Lowell Georgia/Science Source/Photo Researchers, Inc.) Measles rash. (© Lowell Georgia/Science Source/Photo Researchers, Inc.)
Speed of Light in Different Mediums Speed of Light in Different Mediums
Energy flow in the light-dependent reactions of photosynthesis Energy flow in the light-dependent reactions of photosynthesis
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library