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Diploma Engineering Physics 1 Question paper Pdf

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Diploma Engineering Physics 1 Question paper Pdf

Unit 1 S I UNITS AND STATICS
1.1 UNITS AND MEASUREMENTS: –
Unit – Definition – Fundamental Quantities – Definition – Seven fundamental quantities; their SI units and symbol for the units – Supplementary quantities – plane angle and solid angle; their SI units and symbol for the units Derived
physical quantities. Dimensional formula for length, mass and time-derivation of dimensional
formula for area, volume, density, velocity, momentum, acceleration, force, impulse, work or energy and power. Uses of Dimensional formula.
Conventions followed in SI Units Multiples & sub-multiples and prefixes of units – Unit conversions (Horse Power to watt & calorie to joule) – Applications of the method of dimensional analysis.
1.2 STATICS: –
Scalar and vector quantities – Definitions and examples – Concurrent forces and coplanar forces – Definition – Resolution of a vector into two perpendicular components – Resultant and equilibrant – Definitions – Parallelogram law of forces-statement – Expressions for magnitude and
direction of the resultant of two forces acting at a point with an acute angle between them – Lami’s theorem – Statement and explanation – Experimental verification of parallelogram law of forces and Lami’s theorem. Simple
problems based on expressions for magnitude and direction of resultant.
Moment of a force – Clockwise and anti-clockwise moments – Principle of moments – Couple – Torque acting due to a Couple – Experimental determination of mass of the given body using principle of moments – Solved problems.

Diploma Engineering Physics 1 Question paper Pdf
Diploma Engineering Physics 1 Question paper Pdf

Unit 2 PROPERTIES OF MATTER
2.1 ELASTICITY: –
Elastic and plastic bodies – Definition – stress, strain – Definitions – Hooke’s law – statement – three types of strain – Elastic and plastic limit – Young’s
modulus, Bulk modulus, Rigidity modulus – Definitions – Uniform and nonuniform bending of beams – Experimental determination of the Young’s
modulus of the material of a beam by uniform bending method – Poisson’s ratio – Simple problems based on stress, strain and Young’s modulus –
Applications of elasticity.
2.2 VISCOSITY: –
Viscosity – Definition – Coefficient of viscosity – Definition, SI unit and dimensional formula – Stream line flow, turbulent flow – Explanation – Critical velocity – Reynolds number – Definition – Experimental comparison of coefficient of viscosity of two low viscous liquids – Terminal velocity –
Definition – Experimental determination of coefficient of viscosity of a highly viscous liquid by Stokes method – Practical applications of viscosity –
Practical applications of Stoke’s law.
2.3 SURFACE TENSION: –
Surface tension & angle of contact – Definitions – Expression for surface tension of a liquid by capillary rise method – Experimental determination of surface tension of water by capillary rise method – Practical applications of capillarity. Simple problems based on expression for surface tension –
Applications of surface tension – Solved problems.
DYNAMICS–I
3.1. STRAIGHT LINE MOTION: –
Introduction-Newton’s Laws of motion-Fundamental Equations of motion for objects- horizontal motion-falling freely-thrown vertically upwards.
3.2 PROJECTILE MOTION: –
Projectile motion, angle of projection, trajectory, maximum height, time of flight, and horizontal range–Definitions-Expressions for maximum height, time of flight and horizontal range–Condition for getting the maximum range of the projectile. Path of the projectile (the trajectory) is a Parabola – Simple problems based on expressions for maximum height, time of flight and horizontal range – Examples of projectile motion.
3.3 CIRCULAR MOTION: –
Circular motion, angular velocity, period and frequency of revolutions – Definitions – Relation between linear velocity and angular velocity – Relation between angular velocity, period and frequency – Normal acceleration, centripetal force and centrifugal force – Definitions – Expressions for normal
acceleration and centripetal force. Banking of curved paths – Angle of banking – Definition – Expression for the angle of banking of a curved path. {tanθ =v2 /(r g)} – Simple harmonic motion, amplitude, frequency and period – Definition. Simple problems based on the expressions for centripetal force
and angle of banking – Applications of centripetal force and centrifugal force Solved Problems. 

DYNAMICS–II
4.1 ROTATIONAL MOTION OF RIGID BODIES: –
Rigid body – Definition – Moment of inertia of a particle about an axis –
Moment of inertia of a rigid body about an axis – expressions – Radius of
gyration – Definition – Expression for the kinetic energy of a rotating rigid
body about an axis – Angular momentum – Definition – Expression for the
angular momentum of a rotating rigid body about an axis – Law of
conservation of angular momentum – Examples.
4.2 GRAVITATION: –
Newton’s laws of gravitation – Acceleration due to gravity on the surface of earth – Expression for variation of acceleration due to gravity with altitude
4.3 SATELLITES: –
Satellites – Natural and artificial – Escape velocity and orbital velocity – Definitions – Expression for escape velocity and Orbital velocity – Polar and
Geostationary satellites – Uses of artificial satellites. Simple problems based on the expressions for escape velocity and Orbital velocity.

Unit – 5 SOUND AND MAGNETISM
5.1 SOUND: –
Wave motion – Introduction and definition – Audible range – Infrasonic – Ultrasonics – Progressive waves, longitudinal and transverse waves –
Examples – Amplitude, Wave length, period and frequency of a wave – Definitions – Relation
between wavelength, frequency and Velocity of a wave – Stationary or standing waves. Vibrations – Free & forced vibrations and resonance –
definitions and examples – Laws of transverse vibration of a stretched string – Sonometer – Experimental determination of frequency of a tuning fork. Acoustics of buildings – Echo – Reverberation, reverberation time, Sabine’s formula for reverberation time (no derivation) – Coefficient of absorption of sound energy – Noise pollution. Simple problems based on expression for frequency of vibration. Doppler effect – Definition and Applications –
Ultrasonic and its uses – SONAR – Solved Problems.
5.2 MAGNETISM: –
Pole strength – Definitions – Magnetic moment, intensity of magnetisation, magnetising field intensity, magnetic induction, Permeability, hysteresis, saturation, retentivity and coercivity – Definitions – Method of drawing hysteresis loop of a specimen using a solenoid – Uses of Hysteresis loop. Simple problems based on intensity of magnetization – Types of magnetic materials and their applications – Solved problems. 

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