v/u = hi/ho
hi= (6cm*8cm)/24cm = 2cm.
Moraa orina answered the question on April 6, 2018 at 18:08
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The distance between the pinhole and the screen in a pinhole camera is 20cm. a student uses the camera
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(Solved)
The distance between the pinhole and the screen in a pinhole camera is 20cm. a student uses the camera
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Date posted:
April 6, 2018
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Answers (1)
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April 6, 2018
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April 6, 2018
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Date posted:
April 6, 2018
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Date posted:
April 6, 2018
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Date posted:
April 6, 2018
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April 6, 2018
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(Solved)
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Date posted:
April 6, 2018
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Answers (1)
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A body weighs 75N on the earth’s surface. Calculate its mass in grams if g= 10 N/kg.
(Solved)
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Date posted:
April 6, 2018
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Answers (1)
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(Solved)
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Date posted:
April 6, 2018
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Answers (1)
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1800cm3 of fresh water of density 1000kgm-3 is mixed with 2200cm3 of sea water of density 1025kgm-3.
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(Solved)
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Date posted:
April 6, 2018
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Answers (1)
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(Solved)
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Date posted:
April 6, 2018
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Answers (1)
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(Solved)
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Date posted:
April 6, 2018
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Answers (1)
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The number of molecules in 18 cm cubic of a liquid is 6 multiplied by 10 powered 23. assuming the diameter of the molecule is equivalent to...
(Solved)
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Date posted:
April 6, 2018
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Answers (1)
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(Solved)
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Date posted:
April 5, 2018
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Answers (1)
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(Solved)
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Date posted:
April 5, 2018
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Date posted:
April 5, 2018
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Answers (1)
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A battery is rated at 30 Ah. For how long will it work if it steadily supplies a current of 3 A?
(Solved)
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Date posted:
April 5, 2018
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Answers (1)
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The length of a pinhole camera is 25.0 cm. An object 2.0 cm is placed 10.0 m from the
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(Solved)
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Date posted:
April 5, 2018
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Answers (1)
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Calculate the height of a building 300 m away from a pinhole camera which produces
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(Solved)
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Date posted:
April 5, 2018
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Answers (1)