August
T05/T24/TES011/TML011/EE/20150810
2015
Applied Physics
Instructions:
MARKS-80
Time: 3 Hrs
1. All questions are compulsory.
2. “Long Answer type Question (LAQ)” is a supply type
question of 15 marks which required a typical answer of
about 60-80 lines in bout 32-40 minutes.
3. “Sort Answer type Question (SAQ)” is a supply type
question of 5 marks which required a typical answer of about
15-20 lines in bout 08-10 minutes.
4. Figures to the right indicate marks allotted to the questions.
5. Assume suitable data if necessary
6. Use a nonprogrammable type of scientific calculator is
allowed
Marks
SECTION-A
Q.1 Define the following terms:
1) Period of revolution
2) Angular velocity
3) Angular acceleration
4) Radial acceleration
5) Frequency of uniform circular motion.
15
OR
Q.1 Define circular motion with example. Explain angular
displacement, angular velocity and angular acceleration? A wheel
increases its speed from 45 r.p.m to 90 r.p.m in 30 sec. Find its
angular acceleration?
15
Q.2 Why is it important to locate CG. How to locate CG. Three blocks
each of mass 30kg are attached to the vertices of triangle ABC with
AB=BC=10m. How will you assign coordinates to the points A, B
and C? What are the coordinates of CG?
15
OR
Q.2 Explain moment of inertia with example. How to calculate MI of
regularly shaped object. Calculate MI of hollow cylinder?
15
Q.3 Define the following terms and state its formula and unit
1) velocity
2) acceleration
5
Q.4 The resultant of two forces acting at an angle of 70° makes an
angle of 30° with one force of magnitude 10N. Calculate the
magnitude of the resultant and that of the other force?
5
SECTION-B
Q.5 Explain simple harmonic motion with example. Derive and
equation of SHM. Equation of SHM x = 4 cos (2t +π /6) from
where does the particle start.
15
OR
Q.5 What is audible range, infrasonic and ultrasonic waves? How
ultrasonic waves are produced?
15
Q.6 Explain types of condenser
1) As per geometrical shape
2) As per dielectric medium used?
15
OR
Q.6 What are the factors affecting capacitance of capacitor. Explain in
brief?
15
Q.7 Explain how SHM can be considered as projection of uniform
circular motion?
5
Q.8 If the refractive index of a glass is 1.50, calculate the critical angle
for glass air interface?
5
Computer Generated Random Question Paper dated: 16-07-2015 11:56:58
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