BISE Saidu Sharif Swat Physics Subject Model Papers of Class 10 For upcoming exam 2015



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BISE Saidu Sharif Swat Physics Subject Model Papers of Class 10


Note: Attempt all parts of Section – A. Section –A must be return to the superintendent after 20 minutes
even if you have not attempted any question. Overwriting/ defacing/Cutting etc is prohibited in Section-A
and no credit will be given to such answer.
I. Write the correct option i.e. A/B/C/D in the empty boxes.
i. In which of the following frequency range is ultrasound _____________.
(A2KHz ** 10KHz **(B) 21KHz 30KHz (C) 2KHz 20KH (D) 11KHz 20KHz
ii. A convex lens is of focal length 10cm. Its power is _____________.
(A) 20 dioptre (B) . 15 dioptre (C) 50 dioptre (D) 10 dioptre
iii. One volt is _____________.
(A) One J/c (B) One wc (C) One N/c (D) . One w/c
iv. Which of the following represent an ohm _____________.
(A) V/A (B) J/S (C) W/A (D) . J/C

v. Lenz’s law follows the law of conservation of _____________.
(A) Mass (B) Charge (C) Energy (D) Momentum
vi. Which of the following in not a correct formula _____________.
(A) Li=Lr (B) f= R/2 (C) n=SinLi/SinL2r(D) M=q/p
vii. Which type of wave is longitudinal _____________.
(A) Light wave (B) Radio wave (C) Sound wave (D) . Water wave
viii. The frequency of A.C in Pakistan is _____________.
(A) 40Hz (B) 50Hz (C) 60Hz (D) 70Hz
ix. Which one of the following is also called inverter _____________.
(A) NAND gate (B) OR (C) NOT (D) NOR
x. Is really a versatile radio _____________.
(A) Cell phone (B) Computer (C) Telephone (D) Fax Machine
xi. Which nuclide has a mass no of 8 _____________.
(A) 2He6 (B) 4Be8 (C) 7N5 (D) 8O16
xii. Radio active nuclei Y123 decay to give 58Z119 what types of radian is being
emitted _____________.
(A) α_particle only (B) β-particles only (C) ϒ-particles only(D) Both A and B



Model Paper
Physics (10th)

Note: Time allowed for section B and C is 2 hours and 40 minutes.

SECTION “B” Marks: 32
II. Attempt any EIGHT Parts out of the following. Each Part carries equal marks.
i. Why sound cannot be heared on moon?
ii. How bats able to fly at night without colliding with other objects?
iii. Give at least three uses of concave mirror?
iv. Define snell’s law of refraction?
v. What is meant by electrostatic induction?
vi. State how the resistance of wire a would change if (I) its length is increases (II) its
diameter is decreased?

vii. What would happen if the primary winding of a transformer is connected to a battery?
viii. What is Fleming left hand rule?
ix. Name five digital devices that are commonly used in everyday life?
x. What do you mean by graphic designing?
xi. Which type of charge is present on
α-particle b) β-particle c) ϒ-particles


SECTION “C” Marks: 21
Note: Attempt any THREE questions of the following. Each question carries equal Marks.
III. (a) Write a detailed note on ultrasonic. Describe different applications on ultrasonic.
(b) When a +5uc charge is placed at a point in an electric field it experience a force of 10-6 N.
Find the value of electric intensity at that point.

IV. (a) State and explain Ohm’s law what are its limitations.
(b) An electric Iron of resistance 15Ω takes a current of 4A.Calculate the thermal energy, in
joules devolved in 25 seconds.

V. (a) Sketch and describe A.C generator.
(b) How many turns are required on the secondary of a 240 volt mains transformer which has
4000 turns on the primary and is to operate 6 volt lamp

VI. (a) What is a radio Isotope? How radio isotope help us in our daily life.
(b) Find the energy produce from 400kg of uranium if it is completely changed into energy.