MDCAT Physics Chapter 3 MCQ Test With Answer for ( Work ,Energy & Power)
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
MDCAT Physics Chapter 3 Work ,Energy & Power Online Test
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Question # 1
The energy which an -e acquires when accelerated through a potential difference of 1 volt is called?
Question # 2
If the velocity of a body becomes half, the kinetic energy of body will become
Question # 3
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 # 4
A light and a heavy body have equal momenta. Which one has greater K.E?
Question # 5
A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is:
Question # 6
Car X is traveling at half the speed of car Y. Car X has twice mass of car Y.
Which statement is correct?
Question # 7
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 # 8
Two bodies moving towards each other collide and move away in opposite directions. There is some rise in
temperature of bodies because a part of the kinetic energy is converted into
Question # 9
A ball is thrown vertically upwards. Neglecting air resistance, which statement is correct?
Question # 10
When a person lifts a body from ground work done by lifting force is?
Question # 11
A motor boat is travelling with a speed of 3.0 m/sec. If the force on it due to water flow is 500 N, the
power of the boat is
Question # 12
A man pushes a wall and fails to displace it. He does:
Question # 13
The same retarding force is applied to stop a train. The train stops after 80 m. If the speed is doubled, then the
Stopping distance will be:
Question # 14
An elevator's motor produces 3000 W power. The speed With Which it can lift a 1000 kg load is:
Question # 15
Which of the following work is greater?
Question # 16
The energy stored in wound watch spring is
Question # 17
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 # 18
Which of the following types of force can do no work on the particle on which it acts?
Question # 19
An engine pumps out 40 kg of water in one second. The water comes out vertically upwards with a velocity of 3ms-1 . What is the power of engine in kilowatt?
Question # 20
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:
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.
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Kashaf Raza18 - Dec - 2024
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Sara Javaid14 - Jan - 2025
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mmms khokhar05 - Dec - 2024
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MCAT
Physics
Chapter 3
Important MCQ's
Sr.#
Question
Answer
1
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
A. the path taken by the suitcase
B. weight of the suitcase
C. initial and final position
D. None
2
The same retarding force is applied to stop a train. The train stops after 80 m. If the speed is doubled, then the
Stopping distance will be:
A. The same
B. Doubled
C. Halved
D. Four times
3
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)
A. 33 kW
B. 3.3kW
C. 0.33kW
D. 0.033kW
4
The time taken by an engine of power 10 kW to lift a mass of 200 kg to a heightof 40 m is (g + 10ms2)
A. 2 sec
B. 4 sec
C. 8 sec
D. 16sec
5
A man M1 of mass 80 kg runs up a staircase in 15s. Another man M2 also of mass 80 kg runs up the same staircase in 20s. The ratio of the power developed by them will be
A. 1
B. 4/3
C. 16/9
D. none of these
6
A man weighing 500 N carries a load of 10 kg to the top of a building in 4 minutes. The work done by the man is 6 × 𝟏𝟎4 J. If he carries the same load in 8 minutes, the work done by the man will be:
A. 3 × 104 J
B. 6 × 104J
C. 9 × 104J
D.
12× 104 J
7
The power needed to lift amass of 5000g to height of 1min 2 second is
A. 2.45 watt
B. 24.5 watt
C. 245 watt
D. 2.45 k watt
8
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
9
Which of the following is a unit of energy?
A. unit
B. whatt
C. Horse Power
D. None of the above
10
A light and a heavy body have equal momenta. Which one has greater K.E?
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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.??