IMPORTANT FOR X CLASS

Guess Papers
Physics
Section "A"
Q-1: a) Derive the following equations?
§ Vf = Vi + at
§ S= Vit + ½ at2
§ F=G (m 1 * m 2)/R2
b) Define the following?
1- Scalars and Vectors 2- Acceleration (Uniform & Average) 3- Speed
4- Velocity - 5 Gravity 6- Systematic Error 7- Negative of a vector
8- Resultant Vector 9- Differentiate b/w g and G, uniform velocity and variable velocity .
10-Displacement 11-Gravitational force 12-Unit of force
c) Calculate the approximate value of mass of Earth by using Law of Gravitation?
d) Define Hooke's Law and young's modulus and drive the formula?

Q-2 a) Define the Equilibrium, Condition of Equilibrium and three states of Equilibrium?
b) Define Inclined plane and its mechanical advantage ( drive formula) ?
c) Determine the Mechanical Advantage of Wheel and Axle?
d) Define thermal conductivity?
Q:3 a) State the law of Conservation Of Energy?
b) Describe working and construction of refrigerator?
c) Difference b/w Kinetic and Potential Energy also drive Equation
§ K.E.= ½ mv2
Q:4 a) Define the following
1- Centripetal Force 2- Centrifugal Force 3- Brownian Motion
b) Explain Variation of “g” with altitude?
c) Why does a piece of stone sink in water but a ship with a huge wait float?
Q:5 a) Define the following:
1- Conduction 2- convection 3- Radiation
4- Volumetric Thermal expansion 5- Regelation
b) Define Specific Heat? Describe the experiment for measurement of specific heat of solids?
c) Write Factors on which rate of evaporation depends?
Q:6 Give S.I. Units of following:
1- Momentum 8- Gravitational Constant
2- Temperature 9- Pressure
3- Specific Heat 10- Absolute Temperature
4- Stress 11- Amount of substance
5- Energy 12- Torque
6- Strain 13- Force
7- Work 14- Pressure

Q:7
• Under what condition a body whose velocity is directed towards east has acceleration directed west?
• Explain the Force of action and reaction :
a) Bullet is fired from a gun.
b) A person sitting on a chair.
c) Motion of moon around the earth
• A body thrown upward always falls on the ground, explain it.
• In what ways are levers, an inclined plane & pulley are alike.
• How do fish & other aquatic in ocean & seas survive in extremely cold?
Section "B"

• Drive the equation 1/f = 1/p+1/q using ray diagram of a concave mirror
• Draw a ray diagram of a Compound microscope and write it’s working
• Define the following terms
o Capacity of a capacitor
o Linear Magnificent
o Magnetic Field
o Critical Angle
o Angle of minimum deviation
o Unit of Charge
o Ampere
o Dispersion of light
• Draw a diagram showing three resistance R1, R2 and R3 Connected in series and parallel , also write characteristics
• Differentiate between following
o Ammeter and Voltmeter
o Short Sightedness and Long Sightedness
o Conductors and Insulators
• An Object is place in front of a concave mirror at a distance of 30cm. If radius of curvature of the mirror is 20cm find position and nature of the image.
• State Snell’s Law, Ohm’s law, Maxwell’s Right Hand Rule
• Prove that 1/R + 1/R1 +1/R2+1/R3 - - - - - - , if the resistances are connected in parallel.
• An electric lamp is marked 12v and 24w .How many joules does it consume in one hour and what is the current passing the lamp.
• How can a Galvanometer be converted into a Voltmeter?
• What are the main defects of human Eye? How they removed?
• Define the following
o Radio activity
o Radio Isotopes
o Longitudinal waves
o Resonance
o Wave length
o Nuclear Reactor
o e.m.f.
o One Volt
• Differentiate the following
o Fission and Fusion Reactions
o P-Type Substance and N-Type Substances
o Musical Sound and Noise
• Explain the ‘Chain’ reaction in 92U235
• Describe four characteristics of β particles and Alpha rays
• Find the length of a second's pendulum (y=9.8m/sec2)
• Define simple Harmonic Motion and explain it with example
. Write the uses of Ultrasonic Waves.
. Write about the mechanism of Radar.
10 eng

: Essay of 120 to150 words.
_ Blessings of science/computers.
_ My last day in School.
_ Favorite personality.
_ Problems of big city.
_ An accident / cricket match.
Q#2: Write a letter to your friend advising for doing Computer Diploma after exams.
“or” apologizing for not having attended the party. OR
Write a letter to the editor of newspaper complaining against the
Improper drainage system in your area or any other problem. OR
Write a dialogue between a teacher and a student on how to improve
reading habits.
Q#3: Do as directed. (Make sure you have learned all grammatical rules to
make correct sentences and solve all five years papers)
Q#4-a: Answer any six in two to three sentences each.
_What is the difference between fresh water fishing and marine fishing?
Write the dangers of marine fishing.
_ What is meant by food crops and cash crops? Discuss what are the
chief exports of Nigeria?
_Why did Azam give up cheating his younger brother?
_ How did caliph discover the real owner of the horse?
_ What was the effect of old man’s advice Moazzam? and describe the
three things Moazzam do on advice?
_ What were the feelings of king Faisal about Pakistan? How can you
say he was a sincere friend of Pakistan?
_ What is village fair? What did Bilal see in the village when he got
down from the bus?
_ What are the qualities of good teacher?
_ How did the farmer’s wife frighten the tiger ?
_ Where is torkham and what did Bilal &his friends see when they
reached there.
Q#4-b: Any four answers in two to three sentences.
_ Do you agree with the poet that a good time is coming?
_ What is the message of the poem, “ The man who wins”?
_ Who is the poet of a poem “Speak Gently”? Why should we
speak gently to all?
_ what is the idea behind the poem “Little Thing”
_ What do you understand by the word advertising? What is the
message of the poem “The uses of advertising”?
_ Why does the poetess praise her mother land?
Q#5: Fill in the blanks. (Read all the chapters summary)
Q#6: Use any three of the following idiomatic structures in sentences of
Your own.
With heart and soul _ to beat about the bush _to end in smoke
To make the most of _ by fits and stars
Q#7: Translate the following in English. (hints of Q3 and from class 1x
English)
Q#8: Read the passage carefully and answer the questions given below.
Important chapters are:
• Nigeria
• Caliph Haroon-ur - Rashid
• Medicine
Q#9: Write the summary of the passage.
(Make sure you omit the unnecessary wording for the passage ,
Don’t repeat any sentence , write sentences in one tense)

Mathematics
Section A
• With the help of log table find the value of (0.96)(87.5) 2 / 4850
• If a + b=9 and ab=20 find (a-b)2
• Factorize any four of following
o 8a3-1 +b3 + 6ab
o 16a2-40ab+25b2
o 6x2-5xy-6y2
o a2+8b3+c3+6abc
o 1+2ab-(a2 + b2)
o 12x2 –17xy+6y2
• Find graphically the solution set of the following equations, make four ordered pair of each
o 3x – 2y = -4
o x + 2y = 12
• If a/b = c/d prove that a2 /b2 = c2 / d2 = 2ac/bd
• Find the solution of the following equation, with the help of matrices
o x+2y = 5
o x +3y = 7
• If A=⌠6 2│ , Find A-1 ; and verify that AA-1 =1
• │4 3│
• Simplify 1/a-b – b/a2 –b2 - a/ a2+ b2
• Find the relation independent of X from the following equations:
o X2 + 1/x2 = m2 , x4 +1/x4 =x4
• Factorize 2x3 +9x2+19x +12 by reminder theorem.
• Find the Solution Set of any two of the following equations
o =⌠2x-1/3│ + 4 = 11
o √4(3x-1) = 2√ x + 8
o 5 x2 – 13x + 6 = 0
Section B
• Convert a Triangle ABC in which m AB(bar) = 6.21cm, m BC(bar) = 7.4cm , m AB(bar). Draw a circumscribed circle round the given triangle and write the steps of Construction
• IF two Chords of Circle are congruent, then prove that they are the equidistant from the center.
• Prove that the sum of measures of three angle of triangle is 180o
• Prove that an exterior angle of a triangle is greater in measure then either of the non-adjacent angles of the triangle
• Prove that the measure of the square of the hypotenuse of a right angle triangle is equal to the sum of the measures of the squares of other two sides.
• Draw two circle of radii 3cm and 1.5cm.The distance between their centers is 6.5cm. Draw their direct common tangents. Also write the steps of construction.
• Prove that the opposite angles of the parallelogram are congruent.
• If the diameter of a circle is perpendicular to a chord, prove that it bisects the chord.
Section C
• Prove that Sinθ/1-Cosθ = 1+Cosθ/Sinθ
• Find the Standard deviation from the following Information.
x(bar) =19.5, ɛx=195, ɛx2=5555
• Find the values of all the trigonometric ratios of 30o
• The following are the percentages of the marks obtained by 10 Students in maths.
X|23|15|48|41|5|8|9|11|51|35|

Find the median of the marks of the Students.

• Find the variance of the following set of numbers
X=13,5,7,9,11,19,20,16,25
• A tree of 90dm height Situated on the back of the river makes a angle of 30o at a point directly on the opposite side of the river, find the width of the river.

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