If you are to determine the the focal length of a convex lens, you should have:
a convex lens and a screen
a convex lens, a screen, holders for them and a scale
a lens holder, a screen and a scale
a convex lens and a lens holder
A
a convex lens and a lens holder
B
a lens holder, a screen and a scale
C
a convex lens and a screen
D
a convex lens, a screen, holders for them and a scale
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Solution
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To determine the focal length of convex lens, we need a convex lens, a screen on which image is formed, holders for screen and the lens and a scale to measure the focal length of the lens.
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Similar Questions
Q1
A sharp image of a distant object is obtained on a screen by using a convex lens. In order to determine the focal length of the lens, you need to measure the distance between the :
(1) lens and the object
(2) lens and the screen
(3) object and the screen
(4) lens and the screen and also between object and the screen
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Q2
If you are to determine the the focal length of a convex lens, you should have:
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Q3
A luminous object is separated from a screen by distance d. A convex lens is placed between the object and the screen such that it forms a distinct image on the screen. The maximum possible focal length of this convex lens is:
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Q5
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