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An object is placed between two plane mirrors which are 20cm...
Physics
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An object is placed between two plane mirrors which are 20cm apart ,mirror M1 is 12cm from the object .

What is the distance between the first images formed in the  two mirrors.

i)The distance between the first images formed in the two mirrors.

Ii)the distance between the second and the third images in the mirrors.

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Ana
Asked by Anarep:53
Ghana
04 October 2020

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1 answer(s)


james_mark
James_mark answeredrep:694
School not set Nigeria
05 October 2020
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Distance between any two images = 2 × n × distance between the two mirrors

Where n is the nth image(s)

Distance between the first images = 2 × n × distance the two mirrors

n = 1

= 2 × 20 

= 40

Distance between the second images = 2 × n × distance the two mirrors

n = 2

= 4 × 20 

= 80

Distance between the third images = 2 × n × distance the two mirrors

n = 3

= 6 × 20 

= 120

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dp
Ana,
Thanks
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