siwalaxmi siwalaxmi

15-03-2021
Physics

contestada

what is principal focus and focus length with examples

Respuesta :

sevdaretl06 sevdaretl06

15-03-2021

Explanation:

Principle focus is the point on the axis of a convex lens, where the parallel rays of light from one side of the lens. meet on other side after refraction. Distance between optical centre to principle focus point is the focal length.

Answer Link

Otras preguntas

to draw a cube. show A way to take apart 8.

what is 19.3 rounded to the nearest whole number

Balance following equation then classify the reaction as synthesis (s)decomposition (d) single replacement (SD)double replacement (DD )or combustion(c) ___h2+__

Writing to Explain Use rounding to estimate the product 12×9. Then, use compensation to find the total cost for 12 books that were $9 each, would she get a goo

Eleanor and max used two rectangular wooden boards to make a set for the school play.one board was 6 feet long and the other board was 5 and 1/2 feet long. the

what is the primary role of the respiratory system in living organisms

the hawks soccer team won 12 out of 14 games if this rate continue how many games will they win if they play a total of 21 games

what is the word for a pile of shells leftover from many meals

Which choice best represent the height of a piece of popcorn

Mervin had some cartons of milk he sold 2/5 of the cartons of milk in the morning he then sold 2/4 of the remainder in the morning how many cartons of milk did