« 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 32 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?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Near side of the Moon Near side of the Moon
Object Perception and Boundaries Object Perception and Boundaries
A. Open portable massage table on its side. B. Straighten out legs completely and check that leg ... A. Open portable massage table on its side. B. Straighten out legs completely and check that leg ...
Assist recipient into side-lying position. Woman sits on edge of table holding drape to cover her ... Assist recipient into side-lying position. Woman sits on edge of table holding drape to cover her ...
Tummy rock. Standing on the recipient’s right side, rest your left hand on the forehead and your ... Tummy rock. Standing on the recipient’s right side, rest your left hand on the forehead and your ...
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library