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Energy MDCAT MCQs with Answers

Energy MDCAT MCQs

Welcome to the Energy MDCAT MCQs with Answers. In this post, we have shared Energy Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Physics offers a chance to enhance your knowledge regarding Energy MCQs in this MDCAT Online Test.

Energy MDCAT MCQs Test Preparations

Energy is defined as:
a) The capacity to do work
b) The rate at which work is done
c) The force applied over a distance
d) The product of mass and velocity

Answer
a) The capacity to do work

The SI unit of energy is:
a) Joule
b) Watt
c) Newton
d) Meter

Answer
a) Joule

Kinetic energy depends on:
a) The mass of the object and its velocity squared
b) The mass of the object and its height
c) The speed of the object and the distance traveled
d) The force applied and the time

Answer
a) The mass of the object and its velocity squared

Potential energy is:
a) The energy an object has due to its position or configuration
b) The energy an object has due to its motion
c) The energy stored in an object due to its temperature
d) The energy transferred through electrical currents

Answer
a) The energy an object has due to its position or configuration

In a closed system, energy cannot be:
a) Created or destroyed
b) Converted from one form to another
c) Transferred between objects
d) Stored for future use

Answer
a) Created or destroyed

The law of conservation of energy states that:
a) The total energy of an isolated system remains constant
b) Energy can be created but not destroyed
c) Energy can be destroyed but not created
d) Energy can be transferred but not conserved

Answer
a) The total energy of an isolated system remains constant

Thermal energy is:
a) The total internal energy of an object due to its temperature
b) The energy stored in a stretched spring
c) The energy due to the object’s motion
d) The energy associated with chemical reactions

Answer
a) The total internal energy of an object due to its temperature

The energy of an object in motion is known as:
a) Kinetic energy
b) Potential energy
c) Thermal energy
d) Chemical energy

Answer
a) Kinetic energy

Elastic potential energy is stored in:
a) Stretched or compressed springs
b) Moving objects
c) Elevated objects
d) Heated substances

Answer
a) Stretched or compressed springs

The energy of a compressed gas is primarily:
a) Potential energy
b) Kinetic energy
c) Thermal energy
d) Chemical energy

Answer
a) Potential energy

The total mechanical energy of an object is the sum of:
a) Its kinetic and potential energy
b) Its thermal and chemical energy
c) Its elastic and gravitational energy
d) Its electrical and magnetic energy

Answer
a) Its kinetic and potential energy

The work done on an object equals:
a) The change in its energy
b) The force applied times the distance
c) The total energy of the object
d) The power output of the object

Answer
a) The change in its energy

Energy can be transformed from:
a) One form to another
b) One object to another
c) One location to another
d) One time period to another

Answer
a) One form to another

The unit of power is:
a) Watt
b) Joule
c) Newton
d) Meter

Answer
a) Watt

Power is defined as:
a) The rate at which energy is transferred or converted
b) The total amount of energy used
c) The amount of work done
d) The force applied over a distance

Answer
a) The rate at which energy is transferred or converted

In an ideal machine, the work input is:
a) Equal to the work output
b) Greater than the work output
c) Less than the work output
d) Zero

Answer
a) Equal to the work output

The energy stored in food is an example of:
a) Chemical energy
b) Kinetic energy
c) Gravitational potential energy
d) Thermal energy

Answer
a) Chemical energy

The energy of an object due to its height above the ground is:
a) Gravitational potential energy
b) Kinetic energy
c) Thermal energy
d) Elastic potential energy

Answer
a) Gravitational potential energy

The energy that is transferred due to a temperature difference is:
a) Heat
b) Work
c) Power
d) Potential energy

Answer
a) Heat

The principle of conservation of energy states that:
a) Energy cannot be created or destroyed, only transformed
b) Energy can be created from nothing
c) Energy can be destroyed but not created
d) Energy is always lost in every transformation

Answer
a) Energy cannot be created or destroyed, only transformed

The energy required to lift an object to a height is converted into:
a) Gravitational potential energy
b) Kinetic energy
c) Thermal energy
d) Elastic potential energy

Answer
a) Gravitational potential energy

The kinetic energy of a moving car depends on:
a) The mass of the car and the square of its velocity
b) The car’s weight and its height
c) The car’s fuel efficiency
d) The car’s engine power

Answer
a) The mass of the car and the square of its velocity

The work done to stretch a spring is an example of:
a) Elastic potential energy
b) Kinetic energy
c) Gravitational potential energy
d) Thermal energy

Answer
a) Elastic potential energy

When a pendulum swings, its energy alternates between:
a) Kinetic and gravitational potential energy
b) Kinetic and thermal energy
c) Gravitational and elastic potential energy
d) Thermal and chemical energy

Answer
a) Kinetic and gravitational potential energy

In a closed system, if the total mechanical energy remains constant, then:
a) Energy is conserved
b) Energy is lost
c) Energy is created
d) Energy is transformed into heat

Answer
a) Energy is conserved

The energy required to change the temperature of a substance is known as:
a) Heat energy
b) Kinetic energy
c) Potential energy
d) Elastic energy

Answer
a) Heat energy

The energy possessed by an object due to its deformation is:
a) Elastic potential energy
b) Gravitational potential energy
c) Kinetic energy
d) Chemical energy

Answer
a) Elastic potential energy

The energy of a moving electron in an electric field is:
a) Electrical energy
b) Kinetic energy
c) Gravitational potential energy
d) Thermal energy

Answer
a) Electrical energy

The amount of energy required to break a chemical bond is:
a) Bond dissociation energy
b) Kinetic energy
c) Gravitational potential energy
d) Thermal energy

Answer
a) Bond dissociation energy

In a frictionless system, the total energy remains:
a) Constant
b) Zero
c) Increasing
d) Decreasing

Answer
a) Constant

The process of converting mechanical energy into electrical energy is done by a:
a) Generator
b) Battery
c) Resistor
d) Transformer

Answer
a) Generator

The energy of an object at rest is:
a) Potential energy
b) Kinetic energy
c) Thermal energy
d) Elastic energy

Answer
a) Potential energy

The energy possessed by a moving car is:
a) Kinetic energy
b) Potential energy
c) Thermal energy
d) Chemical energy

Answer
a) Kinetic energy

The energy transformation in a hydroelectric power plant involves:
a) Gravitational potential energy to mechanical energy to electrical energy
b) Chemical energy to thermal energy to electrical energy
c) Kinetic energy to elastic potential energy to electrical energy
d) Thermal energy to mechanical energy to gravitational potential energy

Answer
a) Gravitational potential energy to mechanical energy to electrical energy

The energy required to heat a substance can be calculated using:
a) Specific heat capacity
b) Bond dissociation energy
c) Gravitational potential energy
d) Kinetic energy formula

Answer
a) Specific heat capacity

The energy possessed by a battery is:
a) Chemical energy
b) Kinetic energy
c) Thermal energy
d) Gravitational potential energy

Answer
a) Chemical energy

The energy conversion in a light bulb involves:
a) Electrical energy to light and thermal energy
b) Kinetic energy to chemical energy
c) Potential energy to kinetic energy
d) Thermal energy to electrical energy

Answer
a) Electrical energy to light and thermal energy

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