Plss solve fast...... i need urgent answer
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the object should be placed at a distance of 90cm
tejaswininimmi70:
how do you got the answer?
magnification of the mirror= -v/u
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magnification = -v/u
=> -v/60= 1/2
=> v = -30
then ,=>-v/u
=>-( -30)/u = 1/3
=> u = 30×3 = 90 cm
=> -v/60= 1/2
=> v = -30
then ,=>-v/u
=>-( -30)/u = 1/3
=> u = 30×3 = 90 cm
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