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

Author Question: An object is in front of a concave spherical mirror, and its image is 4.0 cm behind the mirror. If ... (Read 108 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 29, 2018
An object is in front of a concave spherical mirror, and its image is 4.0 cm behind the mirror. If the focal length of the mirror has a magnitude of 5.0 cm, where is the object?
 
  A) 2.2 cm in front of the mirror
  B) 2.2 cm behind the mirror
  C) 9.0 cm in front of the mirror
  D) 1.0 cm behind the mirror

Question 2

What is the longest wavelength of light that can cause photoelectron emission from a metal that has a work function of 2.20 eV? (1 eV = 1.60  10-19 J, c = 3.00  108 m/s, h = 6.626  10-34 J  s)
 
  A) 417 nm
  B) 257 nm
  C) 344 nm
  D) 565 nm
  E) 610 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yasmina

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 29, 2018
Excellent

elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
Electron microscopic image of dinoflagellates Electron microscopic image of dinoflagellates
The philosophical journey requires self-examination. Your responsibility as a critical thinker is to The philosophical journey requires self-examination. Your responsibility as a critical thinker is to
The photo shows an ultrasound image of a fetus. The rough outline of a head and body can be seen. ... The photo shows an ultrasound image of a fetus. The rough outline of a head and body can be seen. ...
Object Oriented Systems Analysis and Design Object Oriented Systems Analysis and Design
Find the final velocity of the object Find the final velocity of the object
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library