physics chemistry maths science forums
become expert I help I sign up I login
refer a friend - earn nickels!!   
 advanced
 
Home
Ask & Discuss Questions
Study Material
Experts Zone
Hang Out!

Ask & Discuss Questions with Community & Experts

Moderation Team
   advanced
Ask iit jee aieee pet cbse icse state board community Community Discussion Question: pl solve dis qn??
Forum Index -> Optics like the article? email it to a friend.  
Author Message
comp_expert (0)

New kid on the Block

Olaaa!! Perrrfect answer. 0  [0 rates]

comp_expert's Avatar

total posts: 2    
offline Offline

A compound microscope has a magnifying power of 100 when the image is formed at infinity.The objective of focal length of 0.5cm and the tube length is 6.5cm find d focal length of eye piece???????????

    
spideyunlimited (2686)

Moderator

Olaaa!! Perrrfect answer. 444  [677 rates]

spideyunlimited's Avatar

total posts: 2470    
offline Offline
m = L.D./Fo.Fe
where D = 25 cm (least dist. of distinct vision)

---------------------------------------------------------------
* Gaurav Ragtah ( aka Artemis Fowl )


* Agent 'G' [sniper] - SD-6 (Alliance of Twelve)







 this reply: 2 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
You have to be logged on to rate
  
abhishek_varshney (7)

Cool goIITian

Olaaa!! Perrrfect answer. 1  [2 rates]

abhishek_varshney's Avatar

total posts: 97    
offline Offline
m=100,V=inf, f=0.5cm, tubelength:l=6.5cm, u=f 

for given case

1w=(1*25)/(0.5*f)

therefore f=2cm 

pl rate me for this and pl ask some diff qn dudde

AbHiShEk VaRsHnEy.
 this reply: 2 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
You have to be logged on to rate
  
 
Forum Index -> Optics
Go to:   

Top Offers for goIITians
Correspondence Courses
Brilliant Tutorials
Narayana Institute
Aakash Institute
Classroom/Crash Courses
Narayana - Kota , Delhi , Others
Brilliant Tutorials - Class , Crash
Aakash Institute - Medical , Engg
Online Test Series
Brilliant Tutorials
Narayana Institute
Aakash Institute
Mahesh Tutorials
AMITY      Sri Chaitanya