a concave mirror produce 3 time enlarge image of an pbject placed at 10cm in front of it calculate the position and focal and lenght of mirror
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3
solution.
Magnification= -v/u
or, -v/u= 3x/x
=> -v /-10= 3
=> v/10=3
=> v = 30 cm.
now, 1/v + 1/u= 1/f
=> 1/30+ (-1/10)= 1/f
=> (1 - 3 )/30= 1/f
=> -2/30= 1/f
=> f= -15 cm
_______
✌✌
Magnification= -v/u
or, -v/u= 3x/x
=> -v /-10= 3
=> v/10=3
=> v = 30 cm.
now, 1/v + 1/u= 1/f
=> 1/30+ (-1/10)= 1/f
=> (1 - 3 )/30= 1/f
=> -2/30= 1/f
=> f= -15 cm
_______
✌✌
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1
hey dear user I have attached the picture please see it it will help you to understand how the formation of the Physics equation
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