Tag: science & technology

Increasing string length decreases the pitch (frequency) of vibration - longer strings vibrate more slowly, producing lower notes. This is NOT about loudness (A) or softness (B) - those are amplitude, not frequency. Shorter strings produce higher pitches (C).

Wood is the best thermal insulator among the options - it has low thermal conductivity, meaning it resists heat flow effectively. Steel (A), iron (B), and glass (C) are much better conductors of heat and would NOT separate heat from cold well.

Unani medicine originated in Greece and is based on the teachings of Hippocrates and Galen. It was later developed by Arab and Persian physicians, who brought it to India during the medieval period. The system is named after Yunani (Greek), reflecting its Greek origins.

The human eye has an estimated resolution equivalent to approximately 120 megapixels. This accounts for the density of photoreceptors in the retina and the eye's field of view, though the eye's 'processing' is very different from a digital camera's sensor.

When you cross the International Date Line from west to east, you move backward in calendar time by one full day. This means you gain 24 hours - if it's Monday on the west side, it becomes Sunday when you cross to the east side. The International Date Line roughly follows the 180° longitude line in the Pacific Ocean.

Brazil has the largest GDP in South America and ranks as the 7th largest economy globally. It is also the second-largest economy in the Americas, after only the United States. Brazil's diverse economy includes agriculture, mining, manufacturing, and services sectors.

The Prince and the Pauper is a novel by Mark Twain published in 1881. It tells the story of two boys who look identical - one a prince and one a pauper - who switch places. Charles Dickens wrote Oliver Twist and A Christmas Carol. Leo Tolstoy wrote War and Peace. Shakespeare wrote plays like Romeo and Juliet and Hamlet.

A catapult is a medieval siege weapon used to hurl projectiles at fortifications. The options describing Austrian militia ranks, laser beams, or Greek mythology are incorrect. Though the correct option has a typo (madieval instead of medieval), option D is the only correct answer as it properly identifies a catapult as a siege weapon.

The internet (specifically TCP/IP) was first deployed in 1983 when ARPANET switched to the TCP/IP protocol suite. While ARPANET began in 1969, 1983 marks the official deployment of the modern internet protocol that forms the foundation of today's internet. 1991 saw the public release of the World Wide Web.

Firefox, Internet Explorer, and Chrome are all well-known web browsers used to access the internet. "Adventurer" is not a real browser name - it appears to be a made-up option. Web browsers are software applications that allow users to access and navigate websites on the World Wide Web.