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Qormaata galuumsa kutaa 12ffaa Fiiziksii, bara 2018 A.L.I (2026), maxxansa 2

Gaaffilee dhugaa qormaata galuumsa yunivarsiitii kutaa 12 kan Fiiziksii, akkuma barattoonni bara 2018 A.L.I itti fudhatanitti. Tokkoon tokkoon gaaffii deebii sirrii fi ibsa qaba. Qormaanni bara 2018 A.L.I maxxansa adda addaatiin bahe. Fuulli kun maxxansa 2 qaba; kaan gadi aanee tarreeffamaniiru.

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2018 A.L.I (2026), maxxansa 2
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Gaaffilee 55 deebii waliin
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Gaaffilee qormaata kanaa yaalaa

Deebii banuun dura tokkoon tokkoon gaaffii ofii keessaniin deebisaa. Ibsi gara kutaa kitaaba barnootaa sirriitti waan qajeelchuuf, yeroo gaaffii dogoggortan fuula kam irra deebi'uu akka qabdan ni beektu.

Gaaffii 1

A train moving in the east direction accelerates from rest to 36km/h in 20s. What is the average acceleration during that time interval?

A.1.8m/s² east
B.0.5m/s² east
C.18 m/s² east
D.5m/s² east

Deebii fi ibsa ilaalaa

Deebii: B 0.5m/s² east

Maaliif

First put the speed in SI units:

36\ \text{km/h} = \frac{36000}{3600} = 10\ \text{m/s}

. The train starts from rest, so the change in velocity is

10\ \text{m/s}

toward the east. Average acceleration is that change divided by the time:

a = \frac{10}{20} = 0.5\ \text{m/s}^2

east. Option A comes from dividing 36 by 20 and forgetting to turn km/h into m/s.

Gaaffii 2

The motion of an object at constant speed in straight line is known as________?

A.Uniformly accelerated motion
B.Uniform motion
C.Accelerated motion
D.Decelerated motion

Deebii fi ibsa ilaalaa

Deebii: B Uniform motion

Maaliif

Uniform motion means the velocity never changes: the same speed, and the same straight-line direction, in every second of the journey. That is exactly what the question describes. Uniformly accelerated motion in option A is different, because there the velocity has to change by a fixed amount each second.

Gaaffii 3

What does the slope of velocity–time graph indicates?

A.Displacement
B.Acceleration
C.Speed
D.Velocity

Deebii fi ibsa ilaalaa

Deebii: B Acceleration

Maaliif

The slope of any graph is the rise divided by the run. On a velocity against time graph that is

\frac{\Delta v}{\Delta t}

, which is the definition of acceleration. Option A is tempting because displacement does come from a velocity-time graph, but it is the AREA under the line, not the slope.

Gaaffii 4

Work is defined as:

A.Force times distance in the direction of the force
B.Mass times acceleration
C.Energy transferred over time
D.Power times time

Deebii fi ibsa ilaalaa

Deebii: A Force times distance in the direction of the force

Maaliif

Work measures how much a force moves something along its own line of action:

W = Fd\cos\theta

, where

\theta

is the angle between the force and the displacement. When the force and the movement point the same way, this is force times distance in the direction of the force. Option B, mass times acceleration, is the definition of force itself, not of work.

Gaaffii 5

If a machine does 200 J of work in 10 seconds, what is its power output?

A.20 W
B.50 W
C.100 W
D.200 W

Deebii fi ibsa ilaalaa

Deebii: A 20 W

Maaliif

Power is the rate of doing work:

P = \frac{W}{t}

. Putting in the numbers gives

P = \frac{200\ \text{J}}{10\ \text{s}} = 20\ \text{W}

. Option D repeats the 200 from the question, which is the work done in total, not the work done per second.

Gaaffii 6

The work-energy theorem states that:

A.Work done on an object equals its change in momentum
B.Work done on an object equals its change in kinetic energy
C.Work done on an object equals its change in potential energy
D.None of the above

Deebii fi ibsa ilaalaa

Deebii: B Work done on an object equals its change in kinetic energy

Maaliif

The work-energy theorem says the net work done on a body equals the change in its kinetic energy:

W_{net} = \frac{1}{2}mv_f^2 - \frac{1}{2}mv_i^2

. Push a body and it speeds up, and the energy you supplied is the extra kinetic energy it now carries. Option A confuses this with impulse, which is force times time and equals the change in momentum.

Qormaata guutuu PDF dhaan buufadhaa

Gaaffilee 55 kuusaa kana keessa jiran hunda akka waraqaa qormaataa maxxanfameetti, furtuu deebii ibsa 55 waliin immoo akka faayilii lammaffaatti. Maxxansaa yookiin daataa malee dubbisaa.

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Qormaatilee Fiiziksii biroo bara 2018 A.L.I

2018 A.L.I (2026)2018 A.L.I (2026), maxxansa 1

Qormaatilee Fiiziksii kan waggoota biroo

2017 A.L.I (2025)2017 A.L.I (2025), maxxansa 1 2017 A.L.I (2025), maxxansa 2 2016 A.L.I (2024)2016 A.L.I (2024), Tigraay 2016 A.L.I (2024), marsaa 1 Fakkeenyaa, bara 2016 A.L.I 2015 A.L.I (2023)2014 A.L.I (2022)2013 A.L.I (2021)2012 A.L.I (2020)2011 A.L.I (2019)2010 A.L.I (2018)2009 A.L.I (2017)2008 A.L.I (2016)2007 A.L.I (2015)2006 A.L.I (2014)2005 A.L.I (2013)

Qormaatilee kana fakkaatan dabalataa

Qormaatilee Fiiziksii kutaa 12ffaa hunda Qormaatilee bara 2018 A.L.I hunda Gosa barnootaa fi bara hunda

Qormaata kana taa'uu dura Fiiziksii qayyabadhu

Yaadannoon gabaabaan Fiiziksii kutaa 12 kaardii 28 qaba. Tokkoon tokkoon boqonnaa boqonnaadhaan kitaaba biyyaalessaa irraa qophaa'ee seericha, mallattoowwan isaa maal bakka akka bu'an fi dogoggora qabxii nama dhabsiisu ni ibsa.

Yaadannoo Fiiziksii bani

Kunneen gaaffilee dhugaa qormaata galuumsa Fiiziksii bara 2018 A.L.I ti?

Eeyyee. Qormaata galuumsa yunivarsiitii biyyaalessaa kan Fiiziksii barattoonni bara 2018 A.L.I (2026) fudhatan irraa fudhataman. Kuusaan keenya gaaffilee isaa 55 qaba; tokkoon tokkoon isaanii deebii fi ibsa gara kitaaba barnootaatti qajeelchu qabu.

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Lakkoofsa bilbilaatiin herrega bilisaa banadhaa. Qormaatichi guutuun qormaata fakkeenyaa sa'aatiin daangeffame ta'ee qabxii battalumaa kenna; fooyya'iinsi gargaaraa AI ji'atti qarshii 199 kan ta'e waan isin jalaa darbe hunda isinii ibsa.

Qormaata Fiiziksii bara 2018 A.L.I PDF dhaan buufachuu nan danda'aa?

Eeyyee; bilisas. Waraqaan gaaffii faayilii tokko, furtuun deebii ibsa isaa waliin immoo faayilii biraa ti; kanaaf qormaata dursitanii yaaluu dandeessu. Maxxansaa, yookiin yeroo daataan hin jirre irra deebiif bilbila keessan irratti kaa'adhaa.