Solid State Physics Tnpsc Question, Group 1 2 2a 4, VAO Group Question

You are browsing the best resource for TNPSC Group 1 Exam.

for the Aspirants who are preparing for Group 2,2A, Group 4,VAO kindly refer your Syllabus and Prepare with our site.

TUTORIALS LIBRARY

1
2
3

Solid State Physics

1.

Which one of the following process is used to purify a soluble solid?

A. Evaporation B. Crystallisation C. Condensation D. Distillation

Answer : B. Crystallisation

2.

Crystals having low melting points are in

A. Vander waal's bond B. Ionic bond C. Covalent bond D. Metallic bond

Answer : D. Metallic bond

3.

The working of a quartz crystal in the watch is based on the

A. photo electric effect B. Johnson effect C. Piezo-electric effect D. Edison effect

Answer : C. Piezo-electric effect

4.

I. Graphite is an allotrope of carbon II. Diamond is metal

A. false,false B. true, true C. false, true D. true,false

Answer : D. true,false

5.

Nodes are

A. positions of maximum displacement B. positions of no displacement C. a position between no displacement and maximum displacement D. None of these

Answer : B. positions of no displacement

6.

The lowest level energy band in a solid is called

A. Valence band B. conduction band C. fermi level D. equal level

Answer : A. Valence band

1
2
3

TOP