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Chapter 3 of Physics is an essential part of the MDCAT preparation. The students preparing for the exam must solve the MCQs available on this platform. For the convenience of the students, the answers are also uploaded here so the students can learn about their preparation level for the exam. The Chapter on Rotational and Circular Motion has various formulas that the students must memorize.
MCQ's Test For MDCAT Physics Chapter 3 Work ,Energy & Power Online Test
Try The MCQ's Test For MDCAT Physics Chapter 3 Work ,Energy & Power Online Test
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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 3 Work ,Energy & Power Online Test
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Question # 1
An engine pumps up 100 kg of water through a height of 10m in 5s. Given that the efficiency of the engine is 60%, what is the power of the engine? (Take g = 10ms-2)
Question # 2
You lift a suit case from the floor and keep it on a table. The work done by you on the suitcase does not depend on
Question # 3
If the velocity of a body becomes half, the kinetic energy of body will become
Question # 4
When a person lifts a body from ground work done by lifting force is?
Question # 5
The momentum of a particle is numerically equal to its K.E. What is the velocity of a particle?
Question # 6
A body of mass m kg is lifted by a man to a height of one meter in 30 sec. Another man lifts the same mass to the same height in 60 sec. The work done by them are in the ratio
Question # 7
The energy stored in wound watch spring is
Question # 8
Which of the following types of force can do no work on the particle on which it acts?
Question # 9
. A force "F1" acts on a body through distance "S1" in the direction of motion and does work "W1". Similarly another force "F2" act on same body through distance "S2" but in opposite to the direction of motion and does work "W2". Now if F1 = F2 and S1 = S2 then which statement is correct.
Question # 10
A body of mass 3 Kg lies on the surface on the table 2m high. It is moved on the surface by 4m. The change of P.E will be:
Question # 11
Kinetic energy of a body moving with speed of 10 ms-1 is 30 J. If its speed becomes30 ms-1 then its K.E becomes
Question # 12
Work done in raising a box depends on:
Question # 13
A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is:
Question # 14
If the K.E. of a body is increased by 300%, its momentum will increase by:
Question # 15
You lift a heavy book from the floor of the room and keep it in the book-shelf having a height 2 m. In this process you take 5 seconds. The work done by you will depend upon:
Question # 16
Initially, four identical uniform blocks, each of mass m and thickness h, are spread on a table How much work is done on the blocks in stacking them on top of one another?
Question # 17
In an explosion a body breaks up into two pieces of unequal masses. In this:
Question # 18
If the stone is thrown up vertically and return to ground, its potential energy is maximum
Question # 19
A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 ms1 The KE of other mass is
Question # 20
An elevator's motor produces 3000 W power. The speed With Which it can lift a 1000 kg load is:
Besides cramming, the students should use logic to solve the questions of Physics. The candidates make sure to allocate the proper time to all the topics in this chapter. The practice helps the students to get good scores and strengthen their preparation before the commencement of the MDCAT exam. To get more information about the preparation of MDCAT, stay in touch with us and get a hand on the preparation material.
Top Scorers Of MDCAT Physics Chapter 3 Work ,Energy & Power Online Test MCQ`s Test
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H Hassan Faraz 22 - Nov - 2024 02 Min 30 Sec 20/20 -
M Madhanlal Mooorani 25 - Nov - 2024 00 Min 15 Sec 19/20 -
Z Zunaira Jabeen Zunaira 12 - Sep - 2025 12 Min 02 Sec 19/20 -
S Somi khan Somi khan 23 - Nov - 2024 02 Min 16 Sec 17/20 -
A Abiha Aamir 04 - Jan - 2025 09 Min 49 Sec 17/20 -
S Shamima Akhtar 16 - Dec - 2024 04 Min 09 Sec 16/20 -
S Saim G 07 - Aug - 2025 16 Min 44 Sec 16/20 -
N Naveed Ahmad 22 - Nov - 2024 04 Min 21 Sec 15/20 -
H Homehaiyemera 786 29 - Nov - 2024 07 Min 09 Sec 15/20 -
J jannat tariq 01 - Dec - 2024 04 Min 40 Sec 13/20 -
P Paras Jatoi 03 - Jan - 2025 08 Min 19 Sec 13/20 -
K Kashaf Raza 18 - Dec - 2024 09 Min 14 Sec 13/20 -
S Sara Javaid 14 - Jan - 2025 04 Min 19 Sec 12/20 -
M mmms khokhar 05 - Dec - 2024 05 Min 41 Sec 12/20 -
S Seharfatima 04 - Dec - 2024 07 Min 10 Sec 12/20
MCAT Physics Chapter 3 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The energy which an -e acquires when accelerated through a potential difference of 1 volt is called? |
A. 1 Joule
B. 1 Electron volt
C. 1 Erg
D. 1 Watt
|
| 2 | In a gravitational field when work done by gravity is negative then |
A. P.E increases
B. P.E decrease
C. None
D. P.E remains same
|
| 3 | If the K.E. of a body is increased by 300%, its momentum will increase by: |
A. 100 %
B. 150 %
C. √300%
D. 175 %
|
| 4 |
Car X is traveling at half the speed of car Y. Car X has twice mass of car Y. Which statement is correct?
|
A. Car X has half the kinetic energy of car Y
B. Car X has one quarter of the kinetic energy of car Y
C. Car X has twice the kinetic energy of car Y
D. The tow cars have the same kinetic energy
|
| 5 | The gravity does no work, when the body moves: |
A. Horizontally
B. Vertically upwards
C. Vertically downward
D. At an angle of 45o with horizontal
|
| 6 | A light and a heavy body have equal momenta. Which one has greater K.E? |
A. The light body
B. The heavy body
C. The K.E are equa
D. Data is incomplete
|
| 7 | Which of the following types of force can do no work on the particle on which it acts? |
A. Frictional force
B. Gravitational force
C. Elastic force
D. Centripetal force
|
| 8 | A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is: |
A. 10%
B. 45%
C. 50%
D. 75%
|
| 9 | Kinetic energy of a body moving with speed of 10 ms-1 is 30 J. If its speed becomes30 ms-1 then its K.E becomes |
A. 10J
B. 270 J
C. 90J
D. 180 J
|
| 10 | If the momentum of a body is increased n times, its kinetic energy increases: |
A. n times
B. 2 n times
C. √𝑛 times
D. n
2
time
|
Test Questions
Share your comments & questions here
Aleeza Ilyas
05 Aug 2022Answer key is mostly wrong sir
ADEEL
14 Apr 2019..
ahmer
02 Nov 201812
Sanam khan
12 May 2018Test Dana k bad ksa pata Chala GA k Mara konsa mcqs wrong ha 😛 I got 94 marks out of 100
Sheza fiaz
18 Apr 2018How can we become a member of ths website.??