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Assignment : Engineering physics Group-1 (3300004)
Chap :1 SI units & Measurement
1.
Define physical quantity, unit, scalar quantity
& vector quantity.
2.
Write properties of unit.
3.
Write short note on SI system.
4.
Define basic unit of SI?
5.
Draw fig. of vernier calipers?
6.
Draw fig. of micrometer screw guage ?
7.
Explain zero, positive and negative error of
vernier caliperse.
8.
Explain zero, positive and negative error of
micrometer screw.
9.
Write L.C. formula for vernier and micrometer.
10.
Define accuracy and precision.
11.
Define error and explain its types.
12.
Explain estimation of error with example.
13.
Define significant figure and give its example.
14.
Fill the blank.
a.
Unit of heat in CGS is _____& MKS is______
b.
Unit of force in CGS is ____& MKS is______
c.
1 newton = ______dyne
d.
1 joule = _______erg
e.
1 m3 = _____cm3
f.
0.05308 has _____significant figure.
g.
5300 has _____significant figure.
h.
53.00 has _____significant figure.
Chap
:2 Force and motion
1.
State newton’s first law and second law. What
information is given by them?
2.
Prove f=ma.
3.
State third law of newton and explain.
4.
Define inertia, momentum, impulse of force,
distance, displacement, speed, velocity, acceration.
5.
State equation of motion and prove it.
6.
State law
of conservation of momentum. Explain with example.
7.
Give detail classification of force.
Chap
:3 General properties of matter
1.
Define elasticity, deforming force, restoring
force, elastic body, plastic body.
2.
Define strain and explain its types in brief.
3.
Define stress and explain its types in brief.
4.
Explain hook’s law & define modulus of
elasticity.
5.
Explain young modulus, bulk modulus &
modulus of rigidity in brief.
6.
Explain stress àstrain
diagram and define breaking stress.
7.
Define molecular force, cohesive force, adhesive
force, molecular range & sphere of influence.
8.
Explain laplace molecular theory.
9.
Define surface tension and write its unit.
10.
Define angle of contact & capillary action
with example.
11.
Prove relation between surface tension,
capillary rise & radius of capillary.
12.
Write effect of temperature & impurities on
surface tension.
13.
Define viscosity and viscous force.
14.
Explain velocity gradient & write its unit.
15.
Explain
newton’s law of viscosity & define
coefficient of viscosity with unit.
16.
Define streamline & turbulent flow &
explain reynold’s number.
17.
Explain terminal velocity.
18.
Define critical velocity and write stawk’s law.
19.
Fill in the blank.
a.
SI unit of young modulus is _________
b.
SI unit of stress ______
c.
Poise is unit of ____________________.
Chap : 4 Heat Transfer
1.
Explain in detail different method of heat
transfer.
2.
Write difference between heat and temperature.
3.
Write temperature scale and its formula.
4.
Explain heat capacity.
5.
Explain specific heat.
6.
Define thermal conductivity and give its units.
Chap
:5 waves & sound
1.
Define : wave motion, amplitude, periodic time,
frequency, wavelength, simple harmonic motion, phase.
2.
Distinguish between
a.
Mechanical wave & none mechanical wave
b.
Transverse wave & longitudinal wave
3.
Prove relation between velocity, wavelength
& frequency.
4.
Explain principle of superposition.
5.
Define resonance
6.
Explain newton’s equation for velocity of sound
& give laplace correction.
7.
Write
effect of temperature, pressure & humidity on velocity of sound.
8.
Define ultrasonic wave, write its properties
& applications.
9.
Define acoustic of building, echo,
reverberation, reverberation time, echelon effect.
10.
Write sabine’s formula for reverberation time
and explain each term.
11.
Write the condition for good acoustic hall.
12.
Find the velocity of the radio wave having
wavelength equal to 2500 cm & frequency 12X103 Hz.
13.
Calculate wavelength of a sound wave whose
frequency is 440 Hz & its velocity is 330 m/s.
Chap
: 6 Light and Neno-technology
1.
State properties of light.
2.
Explain reflection of light.
3.
Explain refraction of light.
4.
Explain dispersion of light.
5.
Explain total internal reflection.
6.
Define interference and explain its types.
7.
Explain polarization.
8.
Explain diffraction of light.
9.
Write properties of nano material.
10.
Write application of nano material.
11.
Explain fundamental carbon based nano structure.
Chap
:7 Radioactivity
1.
Define : radio activity, natural &
artificial activity, parent element, daughter element.
2.
Define units of radioactivity.
3.
Explain
law of decay.
4.
Write properties of alpha, beta and gamma.
5.
Explain half life time.
6.
Explain mean life time.
