Consider the following observations: 1. A circular metallic disc has a circular hole at its centre. When the disc is heated, the diameter of the hole will decrease 2. A common fluorescent tube contains mercury vapour at high pressure Which among the above is / are correct? [A] Only 1 [B] Only 2 [C] Both 1 & 2 [D] Neither 1 nor 2

Consider the following observations: 1. A circular metallic disc has a circular hole at its centre. When the disc is heated, the diameter of the hole will decrease 2. A common fluorescent tube contains mercury vapour at high pressure Which among the above is / are correct? [A] Only 1 [B] Only 2 [C] Both 1 & 2 [D] Neither 1 nor 2

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 1C

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