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GS Paper IUPSC Prelims 2006
Health & Medicine
Question No. 285Interactive Test Mode
00:00
+2-0.66

Q285. What does the term Dolby B or Dolby C printed on tape- recorders and other sound systems refer to:

What does the term Dolby B or Dolby C printed on tape- recorders and other sound systems refer to:

Select the correct option below (or cross out options to eliminate)
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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2006 • Science and Technology

Correct Answer: Option (C) — noise Reduction Circuit

Concept & Option Breakdown

Standard Reference Verified

Dolby B and Dolby C are dynamic companding noise reduction systems developed by Dolby Laboratories to reduce tape hiss in analog audio tape recordings.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2006 (Q285)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (C) — noise Reduction Circuit

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Frequently Asked Questions — UPSC Prelims 2006 Q285

What is the official answer for UPSC Prelims 2006 GS Paper I Question 285 (Science and Technology)?

The official UPSC answer key for this 2006 Science and Technology (Health & Medicine) question is Option (C): "noise Reduction Circuit". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2006 question belong to?

This question belongs to GS Paper I under the subject "Science and Technology" and micro-topic "Health & Medicine". You can explore all repeated questions from Health & Medicine in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Health & Medicine UPSC Prelims question using option elimination?

To solve Health & Medicine questions in UPSC Prelims, identify extreme modifiers, verify core NCERT conceptual definitions, and eliminate mutually contradictory statement pairs before locking your final option.

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