# Work power and energy multiple choice questions with answers pdf An electric lamp whose resistance is 10 ohm, and a conductor of 2 ohm resistance are connected in series with a 6 V battery. The total current through the circuit and the potential difference across the electric lamp are.

Remember Me. The total current through the circuit and the potential difference across the electric lamp are A. None of the above. Option : A Explanation : A When a body falls freely, the potential energy due to its height converted into kinetic energy due to its motion. Heat energy of an object is A. The total energy of the molecules of the object C.

Option : B Explanation : B Heat energy or thermal energy of an object is the total thermal kinetic energy and thermal potential energy of all its atoms and molecules. So, we can say that heat energy of an object is the total energy of the molecules of the object. Rocket works on the principle of conservation of A. None of these.NEET students should download and practice these questions to get better marks in examinations. For the answer of the following questions choose the correct alternative from among the given ones.

How much is the work done in pulling up a block of wood weighing 2KN for a length of 10m on a smooth plane inclined at an angle of 30o with the horizontal? A force of 7N, making an angle q with the horizontal, acting on an object displaces it by 0.

If the object gains K. The force constant of a wire is K and that of the another wire is 3k when both thewires are stretched through same distance, if work done are W1 and W2, then A ball is released from the top of a tower.

The mass of a car is kg. Find the work done by the force in first one seconds. A 8 kg mass moves along x - axis. Its accelerations as a function of its position is shown in the figure. The work done by a force acting on a body is as shown in the graph. If the trigger is pulled, calculate the velocity of the ball. The total mass of the chain is 5kg. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education.

Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning. The elective subject, Applied Mathematics, is focused at evolving an This announcement also includes the areas As you all are aware that the boards exams have been postponed due to Corona Virus. You can refer to the notification issued by CBSE too. While the board exams were going on the checking of answer sheets were also going on.

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For more study material for Physics please click here - Physics. Previous Pause Next. Access full database of multiple choice Useful Resources Free download latest Useful Resources like important concepts, sure shot questions, guess papers, exam notes and other study material for NEET Physics as per Read More. Classes Biology Chemistry Physics. Search keywords Search.This book can help to learn and practice Grade 9 Physics quizzes as a quick study guide for placement test preparation.

Grade 9 Physics Quiz Questions and Answers pdf also covers the syllabus of many competitive papers for admission exams of different schools from physics textbooks on chapters: Dynamics Multiple Choice Questions: 87 MCQs. The chapter "Dynamics MCQs" covers topics of dynamics and friction, force inertia and momentum, force, inertia and momentum, Newton's laws of motion, friction, types of friction, and uniform circular motion. The chapter "Gravitation MCQs" covers topics of gravitational force, artificial satellites, g value and altitude, mass of earth, variation of g with altitude.

The chapter "Kinematics MCQs" covers topics of analysis of motion, equations of motion, graphical analysis of motion, motion key terms, motion of free falling bodies, motion of freely falling bodies, rest and motion, scalars and vectors, terms associated with motion, types of motion.

The chapter "Physical Quantities and Measurement MCQs" covers topics of physical quantities, measuring devices, measuring instruments, basic measurement devices, introduction to physics, basic physics, international system of units, least count, significant digits, prefixes, scientific notation, and significant figures. The chapter "Thermal Properties of Matter MCQs" covers topics of change of thermal properties of matter, thermal expansion, thermal physics, state, equilibrium, evaporation, latent heat of fusion, latent heat of vaporization, specific heat capacity, temperature and heat, temperature conversion, and thermometer.

The chapter "Transfer of Heat MCQs" covers topics of heat, heat transfer and radiation, application and consequences of radiation, conduction, convection, general physics, radiations and applications, and thermal physics.

The chapter "Turning Effect of Forces MCQs" covers topics of torque or moment of force, addition of forces, like and unlike parallel forces, angular momentum, center of gravity, center of mass, couple, equilibrium, general physics, principle of moments, resolution of forces, resolution of vectors, torque, and moment of force. The chapter "Work and Energy MCQs" covers topics of work and energy, efficiency, forms of energy, interconversion of energy, kinetic energy, sources of energy, potential energy, power, major sources of energy, and efficiency.

Publisher Description.Mr Trask's Physics. Search this site. Unit 0 - Introduction. Unit 1 - Kinematics in 1D. Unit 2 - Kinematics in 2D. Unit 3 - Dynamics.

## MCQ on Work Power Energy [Objective Type Physics Quiz Set]

Unit 4 - Momentum and Energy. Unit 5 - Circular Motion and Gravitation. Unit 6 - Equilibrium. Unit 7 - Rotational Dynamics. Unit 9 - Electric Circuits. Unit 1 - Electrostatics. Unit 2 - RC Circuits. Unit 3 - Electromagnetism. Unit 4 - Fluid Mechanics. Unit 5 - Thermodynamics. Unit 6 - Waves and Optics.

### Work and Energy-MCQ

Unit 7 - Nuclear and Quantum. Unit 8 - Review. Unit 1. Unit 2. Unit 3. Unit 4. Unit 5.Which of the following variables controls the physical properties of a perfect gas a pressure b temperature c volume d all of the above e atomic mass. Ans: d. The unit of temperature in S. The unit of mass in S. Ans: a. The unit of time in S. The unit of length in S. The unit of energy in S. Ans: b. According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as a temperature b absolute c absolute temperature, if volume is kept constant d volume, if temperature is kept constant e remains constant,if volume and temperature are kept constant.

Ans: c. An ideal gas as compared to a real gas at very high pressure occupies a more volume b less volume c same volume d unpredictable behaviour e no such correlation. Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits. The unit of pressure in S.

### GK Questions & Answers on Physics: Work, Energy and Power

A closed system is one in which a mass does not cross boundaries of the system, though energy may do so b mass crosses the boundary but not the energy c neither mass nor energy crosses the boundaries of the system d both energy and mass cross the boundaries of the system e thermodynamic reactions take place. Temperature of a gas is produced due to a its heating value b kinetic energy of molecules c repulsion of molecules d attraction of molecules e surface tension of molecules.

According to kinetic theory of gases, the absolute zero temperature is attained when a volume of the gas is zero b pressure of the gas is zero c kinetic energy of the molecules is zero d specific heat of gas is zero e mass is zero.

Kinetic theory of gases assumes that the collisions between the molecules are a perfectly elastic b perfectly inelastic c partly elastic d partly inelastic e partly elastic and partly inelastic. Superheated vapour behaves a exactly as gas b as steam c as ordinary vapour d approximately as a gas e as average of gas and vapour. The unit of power in S.

The condition of perfect vacuum, i. Intensive property of a system is one whose value a depends on the mass of the system, like volume b does not depend on the mass of the system, like temperature, pressure, etc. Specific heat of air at constant pressure is equal to a 0. The behaviour of gases can be fully determined by a 1 law b 2 laws c 3 laws d 4 laws Ans: d. The ratio of two specific heats of air is equal to a 0.

## 3.3 Work Energy and Power Multiple Choice Questions for OCR A Physics AS and A level

The same volume of all gases would represent their a densities b specific weights c molecular weights d gas characteristic constants e specific gravities. An open system is one in which a mass does not cross boundaries of the system, though energy may do so b neither mass nor energy crosses the boundaries of the system c both energy and mass cross the boundaries of the system d mass crosses the boundary but not the energy e thermodynamic reactions do not occur.

Ans: e. Gases have a only one value of specific heat b two values of specific heat c three values of specific heat d no value of specific heat e under some conditions one value and sometimes two values of specific heat.NEET students should download and practice these questions to get better marks in examinations. For the answer of the following questions choose the correct alternative from among the given ones. How much is the work done in pulling up a block of wood weighing 2KN for a length of 10m on a smooth plane inclined at an angle of 30o with the horizontal?

A force of 7N, making an angle q with the horizontal, acting on an object displaces it by 0. If the object gains K. The force constant of a wire is K and that of the another wire is 3k when both thewires are stretched through same distance, if work done are W1 and W2, then A ball is released from the top of a tower. The mass of a car is kg. Find the work done by the force in first one seconds. A 8 kg mass moves along x - axis. Its accelerations as a function of its position is shown in the figure. The work done by a force acting on a body is as shown in the graph. If the trigger is pulled, calculate the velocity of the ball. The total mass of the chain is 5kg. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning.

Some of the schools in Noida have decided to shut for 3 Days because father of two students in Noida was traced to be infected with the contagious Coronavirus. The internal exams have also been cancelled in those schools after the virus alarm. A 45 year old male who is The admit card is available to private as well as regular students.

Private applicants may access the CBSE admit card by submitting their application number, The Delhi Government takes another step ahead towards Digitalization of the Education Sector by proposing digital attendance in all Delhi Government Schools. As part of the Zero Paperwork Programme the attendance in all Delhi government school to be noted on e-tabletsLost your password?