JEE Physics Work Energy and Power MCQs Set C

Refer to JEE Physics Work Energy and Power MCQs Set C provided below available for download in Pdf. The MCQ Questions for Full Syllabus Physics with answers are aligned as per the latest syllabus and exam pattern suggested by JEE (Main), NCERT and KVS. Multiple Choice Questions for Work Energy and Power are an important part of exams for Full Syllabus Physics and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for JEE (Main) Full Syllabus Physics and also download more latest study material for all subjects

MCQ for Full Syllabus Physics Work Energy and Power

Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Work Energy and Power in Full Syllabus.

Work Energy and Power MCQ Questions Full Syllabus Physics with Answers

 

 

Question:   A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the process is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction? (g = 10 m/s2)

  • a) 20 J
  • b) 10 J
  • c) 30 J
  • d) 40 J

Answer: 20 J

 

Question: Water falls from a height of 60 m at the rate of 15 kg/s to operate a turbine. The losses due to frictional forces are 10% of energy. How much power is generated by the turbine? (g = 10 m/s2)

  • a) 8.1 kW
  • b) 7.0 kW
  • c) 10.2 kW
  • d) 12.3 kW

Answer: 8.1 kW

 

Question: One coolie takes 1 minute to raise a suitcase through a height of 2 m but the second coolie takes 30 s to raise the same suitcase to the same height. The powers of two coolies are in the ratio

  • a) 1 : 2
  • b) 1 : 3
  • c) 2 : 1
  • d) 3 : 1

Answer: 1 : 2

 

Question: A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant magnitude P0. The instantaneous velocity of this car is proportional to

  • a) t1/2
  • b) t1/3
  • c) t1/4
  • d) None of this

Answer: t1/2

 

Question: A body projected vertically from the earth reaches a height equal to earth's radius before returning to the earth. The power exerted by the gravitational force is greatest

  • a) At the instant just before the body hits the earth
  • b) It remains constant all through
  • c) At the highest position of the body
  • d) At the instant just after the body is projected

Answer: At the instant just before the body hits the earth

 

Question: If a force of 9 N is acting on a body, then find instantaneous power supplied to the body when its velocity is 5 m/s in the direction of force

  • a) 45 watt
  • b) 195 watt
  • c) 75 watt
  • d) 100 watt

Answer: 45 watt

 

Question: An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 m/s. The mass per unit length of water in the pipe is 100 kg/m. What is the power of the engine?

  • a) 800 W
  • b) 400 W
  • c) 200 W
  • d) 100 W

Answer: 800 W

 

Question:  A particle of mass M starting from rest undergoes uniform acceleration. If the speed acquired in time T is V, the power delivered to the particle is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: As shown in figure, a particle of mass m is performing vertical circular motion. The velocity of the particle is increased, then at which point will the string break?

  • a) B
  • b) A
  • c) D
  • d) C

Answer: B

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:  A stone is tied to a string of length ‘l’ and is whirled in a vertical circle with the other end of the string as the centre. At a certain instant of time, the stone is at its lowest position and has a speed ‘u’. The magnitude of the change in velocity as it reaches a position where the string is horizontal (g being acceleration due to gravity) is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water?

  • a) mv3
  • b)

  • c)

  • d)

Answer:  mv3

 

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c) x = 0
  • d)

Answer:

 

Question:

  • a)

  • b)

  • c) Same as that of B
  • d) Opposite to that of B

Answer:

 

Question: The coefficient of restitution, e, for a perfectly elastic collision is

  • a) 1
  • b) –1
  • c) 0
  • d) None o this

Answer: 1

 

Question: A particle of mass m1 moves with velocity v1 and collides with another particle at rest of equal mass. The velocity of the second particle after the elastic collision is

  • a) v1
  • b) 2v1
  • c) –v1
  • d) None of this

Answer: v1

 

Question: Two identical balls A and B collide head-on elastically. If velocities of A and B, before the collision, are + 0.5 m/s and - 0.3 m/s respectively then their velocities, after the collision, are respectively

  • a) – 0.3 m/s and + 0.5 m/s
  • b) + 0.5 m/s and + 0.3 m/s
  • c) – 0.5 m/s and + 0.3 m/s
  • d) + 0.3 m/s and – 0.5 m/s

Answer: – 0.3 m/s and + 0.5 m/s

 

Question: A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2m and sticks to it. Now the combined mass starts to move. What will be the combined velocity?

  • a) 1 km/h
  • b) 2 km/h
  • c) 4 km/h
  • d) 3 km/h

Answer: 1 km/h

 

More Questions.........................

 

Question:  A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the process is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: A body of mass 1 kg is thrown upwards with a velocity 20 m/s. It momentarily comes to rest after attaining a height of 18 m. How much energy is lost due to air friction? (g = 10 m/s2)

  • a) 20 J
  • b) 10 J
  • c) 30 J
  • d) 40 J

Answer: 20 J

 

Question: Water falls from a height of 60 m at the rate of 15 kg/s to operate a turbine. The losses due to frictional forces are 10% of energy. How much power is generated by the turbine? (g = 10 m/s2)

  • a) 8.1 kW
  • b) 7.0 kW
  • c) 10.2 kW
  • d) 12.3 kW

Answer: 8.1 kW

 

Question: One coolie takes 1 minute to raise a suitcase through a height of 2 m but the second coolie takes 30 s to raise the same suitcase to the same height. The powers of two coolies are in the ratio

  • a) 1 : 2
  • b) 1 : 3
  • c) 2 : 1
  • d) 3 : 1

Answer: 1 : 2

 

Question: A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant magnitude P0. The instantaneous velocity of this car is proportional to

  • a) t1/2
  • b) t1/3
  • c) t1/4
  • d) None of this

Answer: t1/2

 

Question: A body projected vertically from the earth reaches a height equal to earth's radius before returning to the earth. The power exerted by the gravitational force is greatest

  • a) At the instant just before the body hits the earth
  • b) It remains constant all through
  • c) At the highest position of the body
  • d) At the instant just after the body is projected

Answer: At the instant just before the body hits the earth

 

Question: If a force of 9 N is acting on a body, then find instantaneous power supplied to the body when its velocity is 5 m/s in the direction of force

  • a) 45 watt
  • b) 195 watt
  • c) 75 watt
  • d) 100 watt

Answer: 45 watt

 

Question: An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 m/s. The mass per unit length of water in the pipe is 100 kg/m. What is the power of the engine?

  • a) 800 W
  • b) 400 W
  • c) 200 W
  • d) 100 W

Answer: 800 W

 

Question: A particle of mass M starting from rest undergoes uniform acceleration. If the speed acquired in time T is V, the power delivered to the particle is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: As shown in figure, a particle of mass m is performing vertical circular motion. The velocity of the particle is increased, then at which point will the string break?

  • a) B
  • b) A
  • c) D
  • d) C

Answer: B

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:  A stone is tied to a string of length ‘l’ and is whirled in a vertical circle with the other end of the string as the centre. At a certain instant of time, the stone is at its lowest position and has a speed ‘u’. The magnitude of the change in velocity as it reaches a position where the string is horizontal (g being acceleration due to gravity) is

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question: An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water?

  • a) mv3
  • b)

  • c)

  • d)

Answer: mv3

 

Question:

  • a)

  • b)

  • c)

  • d)

Answer:

 

Question:

  • a)

  • b)

  • c)  x = 0
  • d)

Answer:

 

Question:

  • a)

  • b)

  • c) Same as that of B
  • d) Opposite to that of B

Answer:

 

Question: The coefficient of restitution, e, for a perfectly elastic collision is

  • a) 1
  • b) –1
  • c) 0
  • d) None o this

Answer: 1

 

Question: A particle of mass m1 moves with velocity v1 and collides with another particle at rest of equal mass. The velocity of the second particle after the elastic collision is

  • a) v1
  • b) 2v1
  • c) –v1
  • d) None of this

Answer: v1

 

Question: Two identical balls A and B collide head-on elastically. If velocities of A and B, before the collision, are + 0.5 m/s and - 0.3 m/s respectively then their velocities, after the collision, are respectively

  • a) – 0.3 m/s and + 0.5 m/s
  • b) + 0.5 m/s and + 0.3 m/s
  • c) – 0.5 m/s and + 0.3 m/s
  • d) + 0.3 m/s and – 0.5 m/s

Answer: – 0.3 m/s and + 0.5 m/s

 

Question: A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2m and sticks to it. Now the combined mass starts to move. What will be the combined velocity?

  • a) 1 km/h
  • b) 2 km/h
  • c) 4 km/h
  • d) 3 km/h

Answer: 1 km/h

 

MCQs for Physics JEE (Main) Full Syllabus Work Energy and Power

Expert teachers of studiestoday have referred to NCERT book for Full Syllabus Physics to develop the Physics Full Syllabus MCQs. If you download MCQs with answers for the above chapter daily, you will get higher and better marks in Full Syllabus test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Physics and its study material will help students to have stronger understanding of all concepts and also make them expert on all critical topics. After solving the questions given in the MCQs which have been developed as per latest course books also refer to the NCERT solutions for Full Syllabus Physics designed by our teachers

Work Energy and Power MCQs Physics JEE (Main) Full Syllabus

All MCQs given above for Full Syllabus Physics have been made as per the latest syllabus and books issued for the current academic year. The students of Full Syllabus can refer to the answers which have been also provided by our teachers for all MCQs of Physics so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided lot of MCQ questions for Full Syllabus Physics so that you can solve questions relating to all topics given in each chapter. All study material for Full Syllabus Physics students have been given on studiestoday.

Work Energy and Power JEE (Main) Full Syllabus MCQs Physics

Regular MCQs practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of Work Energy and Power concepts. MCQs play an important role in developing understanding of Work Energy and Power in JEE (Main) Full Syllabus. Students can download and save or print all the MCQs, printable assignments, practice sheets of the above chapter in Full Syllabus Physics in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Full Syllabus Physics MCQ Test for the same chapter

JEE (Main) MCQs Physics Full Syllabus Work Energy and Power

JEE (Main) Full Syllabus Physics best textbooks have been used for writing the problems given in the above MCQs. If you have tests coming up then you should revise all concepts relating to Work Energy and Power and then take out print of the above MCQs and attempt all problems. We have also provided a lot of other MCQs for Full Syllabus Physics which you can use to further make yourself better in Physics

Where can I download latest JEE (Main) MCQs for Full Syllabus Physics Work Energy and Power

You can download the JEE (Main) MCQs for Full Syllabus Physics Work Energy and Power for latest session from StudiesToday.com

Can I download the MCQs of Work Energy and Power Full Syllabus Physics in Pdf

Yes, you can click on the links above and download topic wise MCQs Questions PDFs for Work Energy and Power Full Syllabus for Physics

Are the Full Syllabus Physics Work Energy and Power MCQs available for the latest session

Yes, the MCQs issued by JEE (Main) for Full Syllabus Physics Work Energy and Power have been made available here for latest academic session

How can I download the Work Energy and Power Full Syllabus Physics MCQs

You can easily access the links above and download the Work Energy and Power Full Syllabus MCQs Physics for each topic

Is there any charge for the MCQs with answers for Full Syllabus Physics Work Energy and Power

There is no charge for the MCQs and their answers for Full Syllabus JEE (Main) Physics Work Energy and Power you can download everything free

How can I improve my MCQs in Full Syllabus Physics Work Energy and Power

Regular revision of MCQs given on studiestoday for Full Syllabus subject Physics Work Energy and Power can help you to score better marks in exams

What are MCQs for Full Syllabus Physics Work Energy and Power

Multiple Choice Questions (MCQs) for Work Energy and Power Full Syllabus Physics are objective-based questions which provide multiple answer options, and students are required to choose the correct answer from the given choices.

Why are Work Energy and Power important for Full Syllabus students?

Learning Work Energy and Power based MCQs will help students improve their overall understanding of important concepts and topics and help to score well in Full Syllabus Physics exams.

How can I practice Work Energy and Power for JEE (Main) Full Syllabus?

You can practice Work Energy and Power for JEE (Main) Full Syllabus through worksheets, textbooks and online quizzes provided by studiestoday.com.

Where can I find JEE (Main) Full Syllabus Physics Work Energy and Power MCQs online?

You can find JEE (Main) Full Syllabus Physics Work Energy and Power MCQs on educational websites like studiestoday.com, online tutoring platforms, and in sample question papers provided on this website.

How can I prepare for Work Energy and Power Full Syllabus MCQs?

To prepare for Work Energy and Power MCQs, refer to the concepts links provided by our teachers and download sample papers for free.

Are there any online resources for JEE (Main) Full Syllabus Physics Work Energy and Power?

Yes, there are many online resources that we have provided on studiestoday.com available such as practice worksheets, question papers, and online tests for learning MCQs for Full Syllabus Physics Work Energy and Power

Can I find JEE (Main) Full Syllabus Physics Work Energy and Power practice worksheets online?

Yes, you can find printable Work Energy and Power worksheets for JEE (Main) Full Syllabus Physics on studiestoday.com.

How can I get more free MCQs with answers for JEE (Main) Full Syllabus Physics Work Energy and Power MCQs?

We have provided full database of free multiple choice questions with answers on studiestoday.com for JEE (Main) Full Syllabus Physics Work Energy and Power