Wave motion-lenses, Physics

Assignment Help:

You are given 3 lenses l1,l2,l3 each of focal length 20 an object at 40cm in front of l1.the final real image is formed at focus i ofl3,find separation between l1,l2,l3 ?

Ans) between l1&l2 its 60

& between l2&l3 it can be any value...........

for l3 to form image at i, the object must be at infinity, and for that, image formed

by l1 must be at the focus of l2,

and also image formed by l1 is 40 cm ahead of l1, i.e., the focus of l2(20 cm)

so, distance between l1 and l2 is 40+20=60 cm........


Related Discussions:- Wave motion-lenses

Explai layers of human eye, Human Eye: It is spherical in shape, diame...

Human Eye: It is spherical in shape, diameter about 2.5 cm, having of three layers. a) Sclera                               b) Choroid

Comparison among types of harmonic motion, Can you give the graphical compa...

Can you give the graphical comparison among the following three kinds of harmonic motion: i. Under damped harmonic motion ii. Over damped harmonic motion iii. Critically

Optics, when dispersion is happening from a prism, the colors are separated...

when dispersion is happening from a prism, the colors are separated out. do each of these colors move with different velocities to keep frequency constant? practically is it possib

How much percent conductivity of copper is less than silver, The conductivi...

The conductivity of copper is less than that of silver by (A) 5 - 10 %. (B) 50 - 60 %. (C) 80 - 90 %. (D) 20 - 30 %. Ans: The conductivity of copper

How will we define charge? , Electric charge is a physical property of matt...

Electric charge is a physical property of matter that causes it to experience a force when near other electrically charged matter. There exist two types of electric charges, called

Expression for the total bound electric field, A weakly guiding optical fib...

A weakly guiding optical fibre propagates just two bound modes with scalar transverse electric fields ψ 1 (x,y) and ψ 2 (x,y), and propagation constants β1 and β2, respectively. At

Time base control 1, The Time Base Control 1 The timebase control panel...

The Time Base Control 1 The timebase control panel gives the TIMEBASE (4), ZOOM (7) and FOCUS (5) parameters. TIMEBASE and ZOOM merged set the time scale in seconds per divisio

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd