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But answer is _30 cm , …

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But answer is _30 cm , it is solved in book
  • 10 answers

Muskan Gupta 6 years, 9 months ago

Mera -30aa rha hai

Kittu Yadav 6 years, 9 months ago

V will be positive 30

Broken Angel 6 years, 9 months ago

Then R =15

Broken Angel 6 years, 9 months ago

M=3, u=-10, m =-v upon u. Then v=-30. Using mirror formula, f = 7.5

Kittu Yadav 6 years, 9 months ago

Dinesh publication

Broken Angel 6 years, 9 months ago

I believe you, i mean the ans. Given in book is incorrect

Kittu Yadav 6 years, 9 months ago

Solve the que briefly

Muskan Gupta 6 years, 9 months ago

In which book

Kittu Yadav 6 years, 9 months ago

Really believe me

Broken Angel 6 years, 9 months ago

-30 is image distance
http://mycbseguide.com/examin8/

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