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Introduction to Physics

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Questions and Answers

What directly led to the development of television and computers?

Advances in electromagnetism and solid-state physics (correct)

Advances in thermodynamics

Advances in ancient astronomy

Advances in nuclear physics

What is the origin of the word 'physics'?

Egyptian term for 'study of nature'

Sumerian term for 'natural science'

Latin physica ('study of nature') (correct)

Greek φυσική (phusikḗ 'natural science')

Which field inspired the development of calculus?

Advances in mechanics (correct)

Advances in nuclear physics

Advances in thermodynamics

Advances in solid-state physics

Which natural science is considered one of the oldest?

Astronomy Signup and view all the answers

What led to the development of industrialization?

Advances in thermodynamics Signup and view all the answers

What is the basis of diodes, transistors, and most modern electronics?

The behavior of charge carriers at semiconductor junctions Signup and view all the answers

Which material is the second-most common semiconductor and is used in laser diodes, solar cells, and microwave-frequency integrated circuits?

Gallium arsenide Signup and view all the answers

How can the electrical properties of a semiconductor material be modified?

By doping and applying electrical fields or light Signup and view all the answers

What characteristic distinguishes semiconductor devices from insulators and conductors?

Passing current more easily in one direction than the other Signup and view all the answers

What happens to the resistivity of a semiconductor as its temperature rises?

It falls Signup and view all the answers