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Quiz about Scientists and Their Discoveries

Scientists and Their Discoveries Quiz

The quiz is all about scientists and their discoveries. For help, the countries of the scientists are given. Enjoy!

A multiple-choice quiz by sumanp. Estimated time: 3 mins.

Author
sumanp

Time
3 mins

Type
Multiple Choice

Quiz #
351,428

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
8 / 10

Plays
622

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Which of the following scientists discovered the cosmic rays? He is from Austria. Hint

Victor Hess

Issac Newton

James Chadwick

Albert Einstein

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Question 2 of 10

2. Which law did Sir Isaac Newton discover in the year 1677? Hint

Law of photoelectricity

Law of gravitation

principle of inertia

electromagnetic theory

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Question 3 of 10

3. Which famous scientist from India discovered the scattering of light by molecules? Hint

J.C. Bose

none of these

C.R. Rao

C.V. Raman

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Question 4 of 10

4. Which scientist from Germany discovered the X-Rays? Hint

Ludwig Aschoff

Harald von Boehmer

Peter Beyer

Wilhelm Conrad R�ntgen

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Question 5 of 10

5. This scientist from Scotland postulated the electromagnetic theory. Who is he? Hint

E.O.Lawrence

Joseph Henry

J.Bardeen

James Clerk Maxwell

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Question 6 of 10

6. This another scientist from India is famous for the Rao-Blackwell theory. Who is he? Hint

C.R.Rao

Kotcherlakota Rangadhama Rao

CNR Rao

Manchanahalli Rangaswamy Satyanarayana Rao

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Question 7 of 10

7. Who incorporated the Principle Of Inertia discovered by Galileo? Hint

None

Albert Einstein

Isaac Newton

John Philoponus

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Question 8 of 10

8. Wireless telegraphy was discovered by which scientist? Hint

H.Yukawa

G.Marconi

J.Bardeen

Roentgen

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Question 9 of 10

9. Georg Simon Ohm, the scientist after whom the SI unit of resistance is named, is from which country? Hint

United Kingdom

Poland

Germany

United States

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Question 10 of 10

10. Who is the father of modern observational astronomy? Hint

Isaac Newton

Galileo Galilei

Albert Einstein

Chadwick

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Quiz Answer Key and Fun Facts

1. Which of the following scientists discovered the cosmic rays? He is from Austria.

Answer: Victor Hess

Victor Hess discovered cosmic rays in the year 1912. The highly energetic atomic nuclei or other particles traveling through space at a speed approaching that of light form the cosmic rays.

2. Which law did Sir Isaac Newton discover in the year 1677?

Answer: Law of gravitation

In 1677, Newton returned to his work on mechanics, i.e. gravitation and its effect on the orbits of planets. This contained the beginnings of the laws of motion.

3. Which famous scientist from India discovered the scattering of light by molecules?

Answer: C.V. Raman

In 1928 the Indian physicist C. V. Raman (1888-1970) discovered the effect known as Raman scattering or the Raman effect. It is the inelastic scattering of a photon.

4. Which scientist from Germany discovered the X-Rays?

Answer: Wilhelm Conrad R�ntgen

X-Rays were discovered in late 1895 when R�ntgen was working with a cathode ray tube in his laboratory.

5. This scientist from Scotland postulated the electromagnetic theory. Who is he?

Answer: James Clerk Maxwell

J.C. Maxwell published his paper about the Electromagnetic Theory in the year 1865.

6. This another scientist from India is famous for the Rao-Blackwell theory. Who is he?

Answer: C.R.Rao

The process of transforming an estimator using the Rao-Blackwell theorem is sometimes called Rao-Blackwellization. The transformed estimator is called the Rao-Blackwell estimator.

7. Who incorporated the Principle Of Inertia discovered by Galileo?

Answer: Isaac Newton

Although the laws of inertia are shown in Newton's Laws of Motion, Galileo first formulated the basics for the Law of Inertia.

8. Wireless telegraphy was discovered by which scientist?

Answer: G.Marconi

G.Marconi from Italy discovered wireless telegraphy in 1896. It is the form of telegraphy that uses transmission by radio rather than by wire.

9. Georg Simon Ohm, the scientist after whom the SI unit of resistance is named, is from which country?

Answer: Germany

The relationship between potential difference and current was first established by Georg Simon Ohm, from Germany.

10. Who is the father of modern observational astronomy?

Answer: Galileo Galilei

Galileo has been called the "Father of Modern Observational Astronomy", the "Father of Modern Physics" and "the Father of Modern Science".

Source: Author sumanp

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