CGL 23 27-07-2023 Shift 2


Question 1


Identify the sealed glass vacuum tube containing an electron beam that is focused on a phosphor-coated glass screen when light is emitted.

प्रकाश उत्सर्जित होने पर फॉस्फोर-लेपित ग्लास स्क्रीन पर केंद्रित एक इलेक्ट्रॉन बीम युक्त सीलबंद ग्लास वैक्यूम ट्यूब की पहचान करें।

Options

A

Flat array tube

Flat array tube

B

Cathode ray tube

Cathode ray tube

C

Light Emitting Diode tube

Light Emitting Diode tube

D

Liquid Crystal Display tube

Liquid Crystal Display tube


Solution:

Correct Answer:

B

Cathode ray tube

कैथोड रे ट्यूब


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