sumonasamanta2000 sumonasamanta2000

12-09-2021
Physics

contestada

what will be the focal lenght of a combined lens made by contact of two lenses of power +3D and -2D.

Respuesta :

Аноним Аноним

12-09-2021

P_1=+3D
P_2=-2D

[tex]\\ \bull\tt\dashrightarrow P=P_1+P_2[/tex]

[tex]\\ \bull\tt\dashrightarrow P=+3D-2D=+1D[/tex]

Now

[tex]\\ \bull\tt\dashrightarrow f=\dfrac{1}{P}[/tex]

[tex]\\ \bull\tt\dashrightarrow f=\dfrac{1}{1}[/tex]

[tex]\\ \bull\tt\dashrightarrow f=1m[/tex]

Answer Link

Otras preguntas

Kris and Julio played a card game.Together, they scored 36 points in one game. Kris scored 2 times as many points as Julio. How many points did Kris and Julio e

Explain Each Part please!!! The cost C, in dollars , of building a concrete sidewalk varies directly with its lentgh , s, in meters A.. find an equat

Which is the chemical name of the product formed when copper reacts with gas in air?

What is a postmodernist work more likely to have than a modernist work? a. a consistent rhyme scheme with repeating syllables b. a more playful attitude c. an e

what characteristics do tragric heroes share?

Write 0.725 as a fraction in its simplest form

The absorption of glucose into the cell leads to the movement of water into the cell. Explain how

Which is greater 2.75 gallons or 12 liters

how solve the equation a(n-3)+8=bn solve for n

Autocracy or Democracy: One person is in charge