sushantghimera sushantghimera

01-05-2022
Physics

contestada

two thin lenses of focal length 10cm and 20cm are placed in contract calculate the effective power of the combination

Respuesta :

shilpigupta893 shilpigupta893

01-05-2022

Answer:

20/3

Explanation:

We can use the formula : 1/R1 + 1/R2 = 1/f here
Therefore 1/10 + 1/20 = 3/20
And as it is 1/f its reciprocal will be 20/3

Answer Link

Otras preguntas

The most common cause of a stuck accelerator is the _____.

2) Analysis: What are the advantages of a bicameral (two houses/governing bodies) structure of Congress proposed by the Constitution as opposed to the unicamera

Please help! I need it really bad! quick question for 15 POINTS!

Suppose H(x)=[tex]7\sqrt[3]{x} -4[/tex] find the two functions f and g such taht (f x g)(x)=H(x)

Lisa has a scholarship that pays for 25% of her tuition for all four years she attends college. What is the total amount the scholarship is worth if Lisa's clas

A book is on the table. If the weight of the book is 25 newtons, what is the magnitude and direction of the normal force? A. 2.5 newtons in the downward direc

Which major American rights are available to people living in U. S. territories? Choose all answers that are correct.1.participating in elections for their gov

An 1100kg car reached 30m/s in 9s from rest. What force did the engine provide?

reasons Ghana is a cosmopolitan country

What do we learn about shepherds and the Bible?