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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
D.VOC. -SEMESTER 1(NEW SYLLABUS) EXAMINATION- WINTER 2018
Subject Code: 1210103 Date: 18.01.2019
Subject Name: Applied Physics
Time:10:30 AM TO 12:30 PM Total Marks: 50
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Language of answer can be English or Gujarati
Marks
CO
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Q.1

Discuss properties and applications of ultrasonic waves.
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Derive dimensional formula for following physical quantities.
Gravitational Constant-G, Pressure, Surface Tension, Acceleration, Force.
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Q.2

What is SI system? Write name and symbol of all fundamental SI quantities.
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SI SI na s>)aAo
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Explain principle of surface tension.
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What is pyrometry? Discuss total radiation pyrometer with suitable example.
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3o3l
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Q.3

What is refraction? Discuss refraction of light from optical interface.
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Discuss various modes of heat transfer.
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Q.3

Discuss-Thermal conductivity, Newton's law of cooling.
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Draw and explain working of Ostwald viscometer.
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Q.4

Discuss any one method for production of ultrasonic waves with necessary circuit diagram.
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.
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Explain with necessary diagram: Pascal's law.
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Q.4

Discuss different types of molecular forces.
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What is thermometer? Discuss different types of thermometer.
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Q.5

What is temperature? Discuss different units and conversion equations for temperature?
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Discuss law of reflection? Explain specular reflection and diffuse reflection with help of necessary diagrams.
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p/kaxnu pravtRn Ae3le xu? inyimt Ane Ainyimt pravtRn smjavo.
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OR
Q.5

What is Viscous force? Discuss coefficient of viscosity.
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Xyantab5 Ae3le xu? Xyanta- gu`a>k smjavo.
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Define: Light, Snell's law, Vibration, Heat, and Frequency.
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Aapo:
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