Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing Schools Business

Features Pricing Schools Business

10 Questions

0 Views

The Big Bang Theory

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the prevailing cosmological description of the development of the universe?

The Oscillating theory

The Steady State theory

The Pulsating theory

The Big Bang theory (correct)

What is the approximate diameter of the observable universe at the present day?

100 billion light-years

93 billion light-years (correct)

85 billion light-years

75 billion light-years

Who developed the heliocentric model with the Sun at the center of the Solar System?

Nicolaus Copernicus (correct)

Galileo Galilei

Tycho Brahe

Johannes Kepler

When did space and time emerge together according to the Big Bang theory?

13.787±0.020 billion years ago (A) Signup and view all the answers

What did Isaac Newton develop upon to form the law of universal gravitation?

Copernicus' heliocentric model (D) Signup and view all the answers

What is the purpose of using dimensional analysis in chemistry?

To convert units conveniently (D) Signup and view all the answers

Why are base units necessary for communicating values of physical quantities?

To provide a standard reference for measurements (D) Signup and view all the answers

What are derived units in the context of dimensional analysis?

Units expressed as combinations of other quantities (C) Signup and view all the answers

Why are only a small set of base units required for most quantities?

Units of quantities can be expressed as combinations of other units (D) Signup and view all the answers

What distinguishes base units from derived units?

Base units are fundamental, while derived units are combinations of base units (B) Signup and view all the answers