HAYATH’S
ACADEMY
(Turning potential into performance)
H.NO:17-1-81/C, Santosh nagar colony,
Saidabad, Hyderabad, Telangana, India
500059
Contact No.
9700413618,9032584808,9700220493
INTERMEDIATE FIRST YEAR PHYSICS (2015-16)
SECTION-C
QUESTION
NUMBER 19
1.Develop the notion of work and kinetic energy and
show that it lead to work theorem?
2. What are collisions? Explain the possible type of
collision? Develop the theory of one dimensional elastic collision?
3. State and
prove law of conservation of energy in case of a freely falling body?
QUESTION
NUMBER20
1. Define simple harmonic motion show that the
motion of projection of a particle performing uniform circular motion on any
diameter is simple harmonic?
2. Show is
the motion of a simple pendulum is simple harmonic and hence drive an equation
for its time period what is second pendulum?
3. Derive the equation for the kinetic energy and
potential energy of a simple pendulum or simple harmonic oscillator and show
that the total energy of a particle in simple harmonic motion is constant at
any point on its path?
QUESTION NUMBER 21
1. Explain reversible and irreversible process
describe the working of car not engine obtain an expression for the efficiency?
2. State Second law of thermodynamics. How is heat
engine different from a refrigerator?
SECTION-B
QUESTION NUMBER 11
1. Show that the maximum height and range of a
projectile are
and
respective.where the terms have their regular
meanings.
2. State parallelogram law of vectors derive an
expression for the magnitude and direction of the resultant vector?
3. Define unit vector, null vector and position
vector.
4. Show that the trajectory of an object thrown at
the certain angle with the horizontal is a parabola?
5. If| ā +b |=| ā-b| prove that the angle between a
and b is 900 ?
6. What is relative motion. Explain it?
QUESTION
NUMBER 12
7. Show that the maximum height reached by a
projectile launched at an angle of
is
one quarter of its range.
8. A man walks on a straight road from his home to a
market 2.5km away with a speed of 5kmph.Finding the market closed he instantly
turns and walk back home with a speed of 7.5kmph.What is the (a)Magnitude of
average velocity and (b) Average speed of man over the time interval 0 to 50
min
9. A car travels the first third of a distance with
a speed of 10kmph, the second third at 20kmph and the last third at 60kmph.What
is its mean speed over the entire distance.
10.A bullet moving with a speed of 150m/s strikes a
tree and penetrates 3.5cm before stopping. What is the magnitude of its
retardation in the tree and the time taken for it to stop after striking the
tree.
11. A stone is dropped from a height of a 300m and
at the same another stone is projected vertically upwards with a velocity of
100m/s. Find when and where the two stones mee
QUESTION
NUMBER 13
12.Why is pulling the lawn roller preferred to
pushing it.
13.Why are shock absorbers used in motion cycles and
cars?
14. Explain advantages and disadvantages of
friction?
15. Mention
the method used to decrease friction?
16. State Newton’s second law of motion. Hence
derive the equation f=ma from it?
QUESTION
NUMBER 14 and 15
17. Define angle of friction and angle of repose
show that angle of friction is equal to angle of repose for a rough inclined
plane?
18. Distinguish between centre of mass and centre of
gravity?
19. Define vector product. Explain the properties of
vector product with two examples.
20. Define angular velocity and Derive
21. Find the torque of a force 7i+3j-5k about the origin. The
force acts on a particle whose position vector is i-j+k
22. State and prove parallel axes theorem?
23. State and prove the perpendicular axes theorem?
QUESTION
NUMBER 16
24. State and kepler’s laws of planetary motion?
25. Derive the relation between acceleration due to
gravity “g” change of the same values of height and depth?
26. What is orbital velocity? Obtain an expression
for it?
*27. What is escape velocity? Obtain an expression
for it?
28. What is a geostationary satellite? State its
uses?
QUESTION
NUMBER 17
29. Define HOOK’S law of elasticity. Proportionality
limit permanent set and breaking stress?
30. Define strain energy and derive the equation for
the same?
*31. Describe the behavior of a wire under gradually
increasing load?
32. Define
Stress and explain different types of stress.
33. Define Strain and explain different types of strain.
QUESTION
NUMBER 18
*34. Pendulum clocks generally go fast in winter and
slow in summer. Why?
35. In what way is the anomalous behavior of water
advantageous to aquatic animals?
36.Two identical rectangular strips, one of copper
and other of steel are riveted together to form a compound bar. What will
happen on heating?
37. Explain conduction, convection and radiation
with examples.
38.Explain Celsius and Fahrenheit scales of
temperature. Obtain the relation Celsius and Fahrenheit scales of temperature.
SAVE
SIDE
39. Write a short notes on Quasi-Static process.
40. Explain Qualitatively the working of a heat
engine.
41. What is the ratio of r.m.s speed of oxygen and hydrogen molecules
at the same temperature?
42. Four molecules of a gas has speeds 1,2,3 and 4
kmps. Find the r.m.s speed of the gas molecule.
HAYATH’S
ACADEMY
(Turning potential into performance)
H.NO:17-1-81/C, Santosh nagar colony,
Saidabad, Hyderabad, Telangana, India
500059
Contact No.
9700413618,9032584808,9700220493
INTERMEDIATE FIRST YEAR CHEMISTRY (2015-16)
LONG ANSWERS QUESTIONS
SECTION-C
QUESTION
NUMBER 19
1.How are quantum numbers n,l and m arrived at?explain the
significance of these quantum numbers.
2.What are the postulates of Bohr’s model of hydrogen
atom?discuss theimportance of this model to explain various series of line
spectra in hydrogen atom.
3.Explain briefly the plank’s quantum theory.
4.What are the limitations of Bohr’s model of an atom?
5.What are the evidences in favour of dual behavior of
electron?
QUESTION
NUMBER 20
6.Define
and
.why is
>
for a given atom?Discuss the factors that
effect IE of an element.
7.Write an essay on s,p,d and f block
elements.
8.What is a periodic property?How the
following properties vary in a group and in a period?
Explain a.atomic radius b.Electron gain enthalpy.
9.What is a periodic property?how the
following properties vary in a group and in a period?
Explain
a.IE b.EN.
10.How do the following properties change
in group-1 and in the third period?Explain with an example.
a.Atomic radius b.IE
c.EA d.Nature of oxides.
QUESTION
NUMBER 21
11.What do you understand by
Hybridization?Explain different types of Hybridization involving s and p
orbitals.
12.Give an account of VSEPR Theory,and
its applications.
13.Give the Molecular Orbital Energy
diagram of a.
and b.
.Calculate the respective bond
order.write the magnetic nature of
and
molecules.
14. Describe two methods for the
preparation of ethane. Give any three reaction of ethane.
15.Describe two methods for the
preparation of ethylene. Give reaction of ethylene
16.Give two methods of preparation of
acetylene. How does it reacts with water and ozone.
Describe any two methods of preparation
of benzene with corresponding equations.
SHORT
ANSWERS QUESTIONS
1.State and explain Boyle’s law.
2.State and explain Charle’s law.
3.Derive Ideal gas equation.
4.State and explain Graham’s law of Diffusion.
5.State and explain Dalton’s law of partial pressures.
6.Deduce [a] Boyle’s
law and [b] Charle’s law from Kinetic gas equation.
7.Deduce [a] Graham’s
law and [b] Dalton’s law from Kinetic gas equation.
8.Derive an expression for Kinetic Energy of gas molecules.
9.Write the postulates of Kinetic Molecular Theory of Gases.
10.Balance the following redox reaction by ion-electron
method:
Mn
(aq)+S
(g)
M
(aq)+HS
(aq) (in acidic solution).
11.State and explain
the Hess’s law of constant Heat summation.
12.Derive the relation between
and
for the equilibrium reaction
13.Write the conjugate acid and conjugate
base of each of the following:
a)o
b)
O
c)HC
d)
14.Explain the concept of Bronsted acids and Bronsted
bases,illustrate the answer with suitable examples.
15.Explain Lewis acid-base theory with suitable example.Classify
the following species into Lewis acids and Lewis bases and show thes act as
Lewis acid/base.
a)O
b]
c]
d]BC
16.Explain the terms hard water and soft water. Write a
note on the
I] ion-exchange method and
Ii] Calgon method for the removal of
hardness of water.
17.Write the chemical reaction to justify
that hydrogen peroxide can function as on oxidizing as well as reducing agent.
18.Complete and balance the following
chemical reactions:
I]PbS[s] +
[aq]
Ii]Mn
[aq] +
[aq]
Iii]CaO [s] +
O[aq]
Vi]C
[s] +
O[1]
19Give an account of the biological
importance of N
and
ions.
20.What is Plaster of Paris? Write a
short note on it.
21Explain the structure of diborane.
22What are silicones? How are they
prepared? Give one example. What are their uses?
23.Define the terms Sink, COD, BOD and
TLV.
24.What is green house effect? And how is
it caused?
25.How is Ozone layer depleted in the
atmosphere and what are the harmful effects caused by Ozone layer depletion?
26.Complete the following reaction and
name the products A,B and C.
Ca
27.Name the products A,B and C formed in
the following reactions. Give the equations for the reactions.
Ethylene
28.Describe two methods of preparation of
ethane. Give any three reactions of ethane.
29.Describe two methods of preparation of
ethylene. Give equation for the reaction of ethylene with the following.
a. Ozone
b. Hypohalous acid.
c. Cold and dil.alkKMn
d. Heated with
at
high pressure.
30.How does ethylene react with the
following reagents? Give the chemical equations and names of the products
formed in the reactions.
a. Hydrogen halide b. Hydrogen c. Bromine
d. Water e. Oxygen in
presence of Ag at 20
c
31.Give two methods of preparation of
acetylene. How does it react with water and Ozone?
32.Describe any two methods of preparation
of benzene with corresponding equations. Benzene does not behave like an
alkenes, Why? How do we get methyl benzene from benzene?
33.How do we get benzene from acetylene?
Give the corresponding equation. Explain the halogenations, alkylations, acetylations,
nitration and sulphonation of benzene.
34.Write a note on mesomeric effect.
35.Describe Resonance effect with one
example.
36.Discuss Markownikov’s rule and Kharash
effect.
