aliceometerethomas aliceometerethomas

20-04-2022
Physics

contestada

an object is placed 20cm from a converging lens. If the real image is formed 80cm from the object, what is the focal length of the lens?

Respuesta :

sumekshrestha sumekshrestha

20-04-2022

Explanation:

Here,

object distance(u)=20cm

image distance(v)=80cm-20cm=60cm

focal length(f)=?

we know ,

(1/f)=(1/v)+(1/u)

1/f = 1/60 + 1/20

1/f = (1+3)/60

60 =4f

f=15cm

Answer Link

Otras preguntas

Which statement about the characterization of Napoleon and Snowball is best supported by the details in the passage brainly?

Select the central idea of the text The Quest for Freedom. Throughout 1775–1776, the members of Congress viewed reconciliation with Great Britain as less and le

why did many local leaders put up with being controlled by europeans

Help me with these questions

Avalanches (when a lot of snow falls from a mountain) may bury people under them. If the people are not found rapidly enough by rescue teams they will die of su

Use mathematical reasoning Two points have the same y-coordinate but different x-coordinates. Make a prediction about the slope of a line drawn through the poin

Examples of Grendel in the 21st century

Parallelogram ABCD is given. Draw line EF such that it goes through vertex C, point E lies on side AD, and point F lies on the extension of BA. Prove that AECD

Which polysaccharides are characteristic to plant cells provide at least two examples?

Name the sub-atomic particles present in an atom.AElectronsBProtonsCNeutronsDMolecules.