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

Suppose f(x) = 21-16x and g(x) = 12x-61. Solve f(x) > g(x)

Match the underlined word in the sentence with the vocabulary word that has a similar meaning. "As Kaitlyn talked, her excited hand motions knocked over her sod

I'm having trouble with this

The tradition of the vice president being sworn in as president, after a president died in office, began with this person. a. johnson c. roosevelt b. arthur

Which answer do I pick ?

Find the radius of a circle if C=88 and Use 22/7 for pi

An angle measures 56° less than the measure of a complementary angle. What is the measure of each angle?

How old is a bone in which the Carbon-14 in it has undergone 3 half-lives? A) 11,400 years old Eliminate B) 17,100 years old C) 34,200 years old D) 57,000 y

which ocean resources are second in economic value to oil

Which of the following is not one of the Great Lakes? A. Lake Michigan B. Lake Ontario C. Great Salt Lake D. Lake Huron