guess paper of physics for 9th class by asif rasheed

8/12/2019 Guess Paper of Physics for 9th Class by Asif Rasheed

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(Guess of physics for 9th English medium)

Write the short answers of the following

1- Define position vectors? 2- What is plasma state and define plasma physics?

3- Define momentum and write its unit? 4- State head to tail rule of vector addition?

5-What do you know aout center of !ravity? "- Define resolution of forces? #- Define system

international of units? $-define prefi%es and !ive its e%ample? &- Difference etween ase and derive

'uantities? Define inertia? Define friction? Define displacement and distance?

1(- Define si!nificant fi!ures with e%amples? 11- Difference etween scalar and vectors?

12-Difference etween mass and wei!ht)? Define 3 rd law of motion?

13- * train moves with a uniform +elocity of 3" for 1(s, ind the distance travelled y it,

14- * force of 2( . moves a ody with an acceleration of 2(ms-2 what is its mass?

15- /ow much time is re'uired to chan!e 22 .s momentum y a force of 2( .?

1"- ind the acceleration produce y a force of 1(( . in a mass of 5( k!?

1#- /ow much force is needed to prevent a ody of mass 1(k! from fallin!?

1$-Define tor'ue write its unit? 2(- What is couple? 21-Define e'uilirium?

22- Define artificial satellites? 23-What do you know aout fossil fuel?

24-Difference etween 0, and ,? 25- What are solar cells?

2"- Define power with unit? 2#- What do you mean y efficiency?

2$- Define ener!y with its unit? 2&- Define pressure and acceleration?

3(-What is elasticity? 31-Differencntiate etween heat and temperature?

32-Define latent heat of fusion? 33- What is evaporation? What is !reen house effect?

34- Define specific heat of a sustance? 35-What is latent heat of evaporation?

3"-What is a thermometer? 3#-Why metals are !ood conductor of heat?

3$-What is meant y convection current? 3&-What are radiations?

4(- /ow much would e volume of ice formed y freein! 1 liter of water?

41-What is meant y density write its unit? 42 -State ascal law?

43-What is arometer? 44-What is field of force? 45-Define satellite?

4"-What is 2nd condition of e'uilirium? 4#- ind the perpendicular components of a force of 5(.

makin! an an!le of 3(( with % a%is,4$- Difference etween renewale and non renewale source of

ener!y?4&- Define watt?5(-* man pulled the cart of throu!h 35 m applyin! a force of 3((., ind work

done y man? 51- .ormal human ody temperature is &$," convert it into elsius and 0elvin scale?

Asif Rasheed 0344-74!394 "03#3-7!900#!




52- emperature in a eaker is 5(( ,what is its value in ahrenheit hei!ht scale?

Give detail answers

1- rove 2nd e'uation of motion y usin! !raphical method?

2- 6our hair !rows at the rate of 1mm per day, ind their !rowth rate in nm-1

3- Discuss the types of motion in detail and !ive their e%amples?

4- * chocolate wrapper is ",# cm lon! and 5,4 cm wide ,calculate its area up to reason ale numer

of si!nificant fi!ures?

5- %plain law of !ravitation?

"- %plain law of conservation of momentum?

#- Write the 7ethods of reducin! friction?

$- 8ive details of states of e'uilirium?

&- alculate mass of earth?

1(- %plain law of !ravitation? alculate the value of ! at hei!ht 3"(( km aove the surface of the

earth?

11- States and e%plain 2nd law of .ewton9s and verify : ma,

12- Define and e%plain centripetal force? : mv2)r

13- rove that 0, : ; mv2?

14- States and e%plain /ook<s law? What is youn! modulus?

15- he head of pin is s'uare of side 1(mm ,find the pressure on it due to a force of 2( .,

1"- States and e%plain ascal law?1#- States and e%plain *rchimedes principle?

1$- 8ive uses of conductor and non conductor?

1&- *pplication and conse'uences of radiation?

2(- /ow many ways are transfer of heat !ive their details?

21- =rief note on !reen house effect? *lso e%plain !loal wormin!,

22- alculate power of pump which can lift 2((! of water throu!h a hei!ht of "m in 1( seconds,

23- * car of wei!hin! 2( . is lifted "m vertically upward calculate potential ener!y?

24- * motor oats moves at a steady speed of 4ms -1 water resistance actin! on it is 4(((.,calcualte

the power of en!ine

25- * polar satellite is launched at $5( km aove earth, ind its orital speed?

2"- * communication satellite is launched at 42(((km aove earth, ind its orital speed?

2#- he steerin! of a car has a radius 1"cm ,find tor'ue y a couple of 5( .,

2$- * force of 1((. is applied perpendicular on a spanner at a distance of 1(cm from nut find the

tor'ue produced y the force?

Asif Rasheed 0344-74!394 "03#3-7!900#!




2&- /ow much heat is re'uired to increase the temperature of (,5 k! of water from 1( ( to "5(?

3(- /ow much ice will melt y 5((((> of heat? latent heat of fusion of ice :33"(((>0! -1

Asif Rasheed 0344-74!394 "03#3-7!900#!

guess paper of physics for 9th class by asif rasheed

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