suvrajeetroy suvrajeetroy

03-03-2019
Physics

contestada

calculate the power of convex lens of focal length 20cm

Respuesta :

03-03-2019

D = 1/f, where D is the power in diopters and f is the focal length in meters.

D=1/20

D=0.05

Answer Link

Otras preguntas

what percentage of 1457 is 898?

What is 2.333333 in fraction form

In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom. (B)The pos

What is a tonal collage? We learnt it in school BUT I can't remember.

What is the solution to this system of linear equations: y-x=4 and y+2x=1 1) (-1,3) 2) (0,4) 3) (1,-1) 4) (-3,3)

Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.

what is the answer to this question -√(12)+5√(75)

Yolanda owns 4 rabbits. She expects the number of rabbits to double every year.a) after how many years will she have 64 rabbits?b) write and equation to model t

Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.

A certain test is worth 155 points. How many points (rounded to the nearest point) are needed to obtain a score of 65%?