a converging lens with a focal length of 3cm is placed 24cm to the right of a co

Question

a converging lens with a focal length of 3cm is placed 24cm to

the right of a concave mirror with a focal length of 4cm. An object

is placed between the mirror and the lens. name the three places

where you can find an image of the object. for each tell whether it

is inverted or uptight and give it's total

magnification

2. in a diffraction experiment a grating with 600 slits/mm is

used in combination with green light and the adjacent spots are

found to be 36cm apart when the screen is 1m away from the source

of light. how far apart will the spots be when red light used.

explain with drawing and calculation

Explanation / Answer

ur 1st answer is here

http://www.physicsclassroom.com/Class/refrn/u14l5db.cfm

ur 2nd answer is here

http://www-physics.ucsd.edu/students/courses/spring2009/physics2c/documents/Phys2C-hw6.pdf

please do upvote!!

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