# World’s Quietest Room is in the _____ \xa0 Country? with Answer - General Knowledge MCQs | TestPrep

> Solved MCQ: World’s Quietest Room is in the _____ \xa0 Country? Correct Answer: A. The U.S.A. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

- [NTS Test Prep](https://test-prep.blog/exams/nts)
- [FPSC Past Papers](https://test-prep.blog/exams/fpsc)
- [PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)
- [PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)
- [UET ECAT Prep](https://test-prep.blog/exams/ecat)
- [CSS Central Superior](https://test-prep.blog/exams/css)

- [General Knowledge MCQs](https://test-prep.blog/categories/general-knowledge-mcqs)
Difficulty: Challenging 60% Accuracy

# World’s Quietest Room is in the _____ \xa0 Country?

Direct Answer & Quick Reference

The correct option is **A. The U.S.A**.

The quietest place on earth is an anechoic chamber at Orfield Laboratories in Minnesota. The space is so quiet that the longest anybody has been able to bear it was an entire 45 mi...

A. The U.S.A **(Correct Answer)**

B. United Kingdom

C. Canada

D. Australia

✨ Explain with AI

Verified Key: A. The U.S.A
Solved by 4,380+ students

**Detailed Explanation & Reference:**

The quietest place on earth is an anechoic chamber at Orfield Laboratories in Minnesota. The space is so quiet that the longest anybody has been able to bear it was an entire 45 minutes. It is 99.99 percent sound absorbent and holds the Guinness World Record for the world’s quietest place. The inside of the small room is lined on all six sides with deep, fiberglass wedges, a double wall of insulated steel and foot-thick concrete.

- [Previous Question What country used a tank first?](https://test-prep.blog/mcq/what-country-used-a-tank-first-34422eec-b028-43bb-9409-828313d85d99)
- [Next Question Who was the viceroy of India during the WWII?](https://test-prep.blog/mcq/who-was-the-viceroy-of-india-during-the-wwii-1547c92e-1324-4ce2-aa18-7fcebcd89289)

- [Practice More General Knowledge MCQs MCQs](https://test-prep.blog/quiz/smart?category=general-knowledge-mcqs)
- [How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for General Knowledge MCQs categorized with explanations.

- [Browse All General Knowledge MCQs MCQs →](https://test-prep.blog/categories/general-knowledge-mcqs)

## Related Questions

- [What country used a tank first?](https://test-prep.blog/mcq/what-country-used-a-tank-first-34422eec-b028-43bb-9409-828313d85d99)
- [Who was the viceroy of India during the WWII?](https://test-prep.blog/mcq/who-was-the-viceroy-of-india-during-the-wwii-1547c92e-1324-4ce2-aa18-7fcebcd89289)
- [On which river Diamer Bhasha dam is being constructed?](https://test-prep.blog/mcq/on-which-river-diamer-bhasha-dam-is-being-constructed-f3241f28-cc54-4525-989a-689e7ccdfda7)
- [Which Pakistani city is known as the “City of Saints”?](https://test-prep.blog/mcq/which-pakistani-city-is-known-as-the-city-of-saints-d8a9e49a-0051-4896-9501-005a570f1e9b)
- [Which Pakistani city hosts the annual Cholistan Desert Rally?](https://test-prep.blog/mcq/which-pakistani-city-hosts-the-annual-cholistan-desert-rally-9c353f42-72d3-46fe-ae75-8803c0b63c02)

---
*Source: https://test-prep.blog/mcq/worlds-quietest-room-is-in-the-_________xa0-country-9f38beba-ae89-44b5-85e8-0b249de1bfff*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*