JEE Advanced 2021 Full Test 4 Paper 1
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(One or More than one correct type)
This section contains 06 multiple choice questions. Each question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these four options is(are) correct.
This section contains 06 multiple choice questions. Each question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these four options is(are) correct.
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Question : 7 of 54
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A student performed the experiment of determination of focal length of a concave mirror by u-v method using as optical bench of length 1.5 m. The focal length of the mirror used in 24 cm. The maximum error in the location of the image can be 0.2 cm. The sets of (u, v) values recorded by the student (in cm) are (42, 56), (48, 48), (60, 40), (66, 33), (78, 39). The data set(s) that cannot come from experiment and is (are) incorrectly recorded, is (are)
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