Question

C) Lather is neither produced in A nor B D) Lather is produced in both A and B
1 5 5 5 5 1 SUBJECT: SCIENCE Pg. 3 CLASS X3. A student finding the focal length of a given concave m



4. During an experiment to find out the focal length of convex lens a student got a clear image of a test object at a far distance on the screen but he did some mistake in making measurement as shown in the diagram. The mistake is—
1 1
A) Distance of screen from object was not measured B) Object distance was not measured C) Lens was not adjusted properly D) Distance of image was not measured from the optical centre of the​

Answer 1

Answer:

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