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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIRST
SEMESTER SLOT – II
PROPERTIES OF MATTER AND ACOUSTICS 7BPH1C1
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. Define
surface tension.
2. What is
meant by viscosity?
3. Define
critical velocity.
4. What is
resonance?
5. Define SHM.
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Explain the
types of vibrations.
7. Derive the
Poiseuille’s formula for liquid flow through a capillary tube.
8. Describe the
determination of surface tension by Jaeger’s method.
9. What are the
types of fluid motion?
10. Describe
the excess pressure inside a curved liquid surface.