« previous next »

Author Question: A lens of focal length 25 cm is placed 50 cm from an object. On the opposite side of the lens at a ... (Read 43 times)

tth

  • Hero Member
  • *****
  • Posts: 579
on: Jul 29, 2018
A lens of focal length 25 cm is placed 50 cm from an object. On the opposite side of the lens at a distance of 50 cm is a plane mirror. Where is the final image formed?
 
  A)
 
  50 cm from the lens on the object side
  B)
 
  35 cm behind the mirror
  C)
 
  35 cm in front of the mirror
  D)
 
  50 cm from the lens on the mirror side
  E)
 
  35 cm from the lens on the object side

Question 2

At what peak wavelength does an object at 37C (98.6F) radiate?
 
  A)
 
  94  10-6 m
  B)
 
  9.4  10-6 m
  C)
 
  29  10-6 m
  D)
 
  7.8  10-6 m
  E)
 
  78  10-6 m


kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Pulse oximetry with the sensor probe applied securely, flush with skin, making sure that both sensor Pulse oximetry with the sensor probe applied securely, flush with skin, making sure that both sensor
The asymmetry of facial expressions. Notice that the expressions are more obvious on the left side ... The asymmetry of facial expressions. Notice that the expressions are more obvious on the left side ...
Standing at the side, apply circular friction along paraspinal muscles of the low back using ... Standing at the side, apply circular friction along paraspinal muscles of the low back using ...
Lens accommodate Lens accommodate
Preschool children played with same-sex or opposite-sex playmates Preschool children played with same-sex or opposite-sex playmates
Amino Acids Grouped by Their Side Chain Properties Amino Acids Grouped by Their Side Chain Properties
Video: Stimulus (introduction)

For a complete list of videos, visit our video library