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

A cryptarithm is a math puzzle in which the digits in a simple equation are replaced with letters. Each digit is represented by only one letter, and each letter

what is the ratio of the number of black keys to the total number of keys on the keyboard, if the same pattern of keys I continued 5 black keys 7 white keys

__________ is the drug administration method with the highest risk of overdose due to increased potency.

If the measure of a tangent-chord angle is 68°, then what is the measure of the intercepted arc inside the angle?

One of Canada's most distinctive characteristics is its . A) diverse population B) British culture C) Native American history D) French culture

Please answer question now

pls help me with this question

sliding friction is _ than the static friction.

Graph the equation y=−4x+3 by plotting points.

Please help ASAP! Do not understand how to conduct problem!