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Introduction to Physics

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Questions and Answers

What is the origin of the word 'physics'?

A term created in the Renaissance period

From ancient Egyptian hieroglyphs

Latin physica ('study of nature'), which is a borrowing of the Greek φυσική (phusikḗ 'natural science') (correct)

Derived from the Latin word for 'science'

Which field directly contributed to the development of television and computers?

Solid-state physics (correct)

Nuclear physics

Electromagnetism

Thermodynamics

What did advances in thermodynamics lead to?

Development of industrialization (correct)

Advancements in calculus

Creation of domestic appliances

Invention of nuclear weapons

Which ancient civilization is mentioned as having knowledge of natural sciences?

Sumerians Signup and view all the answers

What inspired the development of calculus?

Advances in mechanics Signup and view all the answers

What is the angular displacement of the minute hand of a wristwatch in ten minutes?

π rad/3 Signup and view all the answers

If the angular velocity of a particle moving with a constant angular velocity is doubled while keeping the radius same, what will be the new force?

-5gL Signup and view all the answers

When seen from below, if the blades of a ceiling fan are revolving anticlockwise and their speed is decreasing, what is the correct statement about the directions of its angular velocity and angular acceleration?

Angular velocity downwards, angular acceleration upwards Signup and view all the answers

What is the new period (T) of a simple pendulum of length l, when displaced so that its length becomes horizontal and then released?

(L - r)T = 2mgL / (L^2 - r^2) Signup and view all the answers

What will be the velocity at the bottom of a simple pendulum when it is displaced so that its length becomes horizontal and then released?

zero Signup and view all the answers

Introduction to Physics

Choose a study mode

Podcast

Questions and Answers

What is the origin of the word 'physics'?

Which field directly contributed to the development of television and computers?

What did advances in thermodynamics lead to?

Which ancient civilization is mentioned as having knowledge of natural sciences?

What inspired the development of calculus?

What is the angular displacement of the minute hand of a wristwatch in ten minutes?

If the angular velocity of a particle moving with a constant angular velocity is doubled while keeping the radius same, what will be the new force?

When seen from below, if the blades of a ceiling fan are revolving anticlockwise and their speed is decreasing, what is the correct statement about the directions of its angular velocity and angular acceleration?

What is the new period (T) of a simple pendulum of length l, when displaced so that its length becomes horizontal and then released?

What will be the velocity at the bottom of a simple pendulum when it is displaced so that its length becomes horizontal and then released?

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