CGL 22 : 03/12/2022 Shift 2


Question 1


Who conducted X-ray spectroscopic study of a large number of elements and showed that the frequency of X-rays emitted by an element is related to the atomic number, Z, rather than the atomic mass?

किसने बड़ी संख्या में तत्वों का एक्स-रे स्पेक्ट्रोस्कोपिक अध्ययन किया और दिखाया कि किसी तत्व द्वारा उत्सर्जित एक्स-रे की आवृत्ति परमाणु द्रव्यमान के बजाय परमाणु संख्या, Z से संबंधित होती है?

Options

A

Dmitri Mendeleev

Dmitri Mendeleev

B

Henry Moseley

Henry Moseley

C

Lothar Meyer 

Lothar Meyer 

D

Johann Dobereiner

Johann Dobereiner


Solution:

Correct Answer:

B

Henry Moseley

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