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Forensic Science and Physical Evidence Questions and Answers

91.

Admissibility of a voice sample recorded in a micro-SD card copied from phone memory is under which of the following sections of Indian Evidence Act ?

Exam Year(s)

MH SET - 2025, SET Exam - 2025,

Answer: A

The provision is Section 65B of the Indian Evidence Act.

Section 65B governs the admissibility of electronic records. A recording copied from a phone's memory onto a micro-SD card is computer output, a secondary copy of an electronic record, and it is admissible if the conditions of Section 65B are met and it is accompanied by the certificate under Section 65B(4), as the Supreme Court held in Anvar P.V. v. P.K. Basheer (2014).

None of the other numbers is the Evidence Act's provision on the admissibility of electronic records; Section 79A, for instance, is the Information Technology Act provision under which Examiners of Electronic Evidence are notified.

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92.

Which of the following surface is the lowest automobile-tire coefficient of friction ?

Exam Year(s)

MH SET - 2025, SET Exam - 2025,

Answer: D

The lowest coefficient of friction is on ice.

Typical tyre-road friction coefficients are roughly 0.7-0.8 on dry asphalt, 0.4-0.6 on wet asphalt, about 0.2-0.4 on mud, and only about 0.1 on ice, falling further on wet ice. A lower coefficient means a longer stopping distance, so accident reconstruction must use the value for the actual surface when calculating speed from skid marks.

Dry asphalt gives the highest grip, and wet asphalt and mud lie between dry asphalt and ice.

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