Yashwantrao Chavan Maharashtra Open University 2007 Certification TES Applied Physics - Question Paper

N-1 TES011/EE/20070811 : 1
TES011/EE/20070811
Applied Physics
Time : 180 minutes Marks : 100
Instructions for the students :
1. All ques. are compulsory.
2. “Long ans kind ques. (LAQ)” is a supply kind ques. of 20 marks,
which require typical ans of about 60-80 lines in about 32-40 minutes.
3. “Short ans kind ques. (SAQ)” is a supply kind ques. of five marks,
which require typical ans of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable kind of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. presume suitable data if necessary.
Q.
No.
ques. (Q) ques.
Marks
Long ans kind ques. (LAQ’s)
1. (a) What is dimension of physical quantity? Classify the
subsequent volumes into fundamental and derived quantities-
Acceleration, Length, Mass, Volume, Temperature, Force,
Pressure, Time.
(b) State the legal regulations of parallelogram of vectors. If
and . calculate .
(c) Distinguish ranging from speed and velocity. What is the rate at
which work must be done in lifting a mass of 250 kg
vertically at constant speed of three m/s ?
(d) describe period and frequency of particle. find a relation
ranging from linear velocity and angular velocity.
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5
5
5
2. (a) describe mechanical advantage, velocity ratio and efficiency.
In a certain machine weight of 1000 N is lifted by an effort
of 50 N while the weight moves up 10 cm the point of
application of effort moves by eight mt. obtain M.A., V.R. and
efficiency of machine.
(b) provide procedure to find C.G. of
i) Triangle ii) Rectangle iii) Circle
(c) Derive an expression for M.I. of a Hollow Cylinder.
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5
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3. (a) describe linear SHM. Hence discuss how S.H.M. can be
considered as projection of UCM. Write the equations of
SHM.
(b) What is stationary wave ? elaborate the characteristics of
stationary waves ?
(c) State various applications of ultrasonic waves and discuss
any 1 in detail.
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N-1 TES011/EE/20070811 : 2
Q.
No.
ques. (Q) ques.
Marks
4 (a) Derive an expression for capacitance of a parallel plate
condenser. Write the unit of capacitance.
(b) discuss the formation of image of extended object due to
convex lens. Write Lensmaker’s formula. State the laws of
reflection and refraction.
(c) Define: i) 1 Coulomb ii) Electric Intensity.
provide diagrammatical representation of electric lines of force.
5
10
5
Short ans kind ques. (SAQ’s)
5.
State Triangle legal regulations of vectors. Distinguish ranging from vectors and
scalars. Why speed is a scalar volume ?
5
6.
State Newton’s laws of motion (linear). describe torque, moment
arm.
5
7.
describe :
i) Potential difference
ii) Potential at a point
elaborate their units? Write the formula for potential difference.
5
8.
State and discuss Coulomb’s inverse square legal regulations in electrostatics.
What is SI unit of charge? provide its definition.
5

Earning:   Approval pending.