(B) Cathode rays were first observed and investigated by $William$ $Crookes$ in the late $19^{th}$ century. While $J.J.$ $Thomson$ is famous for disco

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(B) Cathode rays were first observed and investigated by $William$ $Crookes$ in the late $19^{th}$ century. While $J.J.$ $Thomson$ is famous for discovering the electron within these rays,the invention and initial study of the cathode ray tube and the rays themselves are attributed to $William$ $Crookes$.

Class 12 Physics Dual Nature of Radiation and matter Cathode Rays and Electron Emission

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Which scientist invented cathode rays?

A
$J$.$J$. Thomson
B
William Crookes
C
Ernest Rutherford
D
James Chadwick

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Class 12 Questions

Class 12

Physics Questions

Chapter

Dual Nature of Radiation and matter

Subtopic

Cathode Rays and Electron Emission

Which of the following has the highest specific charge?

Easy

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The minimum value of electric field required to pull out electrons from a metal is approximately . . . . . . $V$/cm.

EasyGUJCET 2025

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Write observations of various experiments which suggest that cathode rays are a stream of negatively charged particles.

Easy

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Assertion: In a photoemissive cell,an inert gas is used.
Reason: An inert gas in the photoemissive cell provides a greater current.

EasyAIIMS 2010

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How can the mass of an electron be obtained?

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Which scientist invented cathode rays?

Similar Questions

Which of the following has the highest specific charge?

The minimum value of electric field required to pull out electrons from a metal is approximately . . . . . . $V$/cm.

Write observations of various experiments which suggest that cathode rays are a stream of negatively charged particles.

Assertion: In a photoemissive cell,an inert gas is used.Reason: An inert gas in the photoemissive cell provides a greater current.

How can the mass of an electron be obtained?

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Assertion: In a photoemissive cell,an inert gas is used.
Reason: An inert gas in the photoemissive cell provides a greater current.