Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Mdcat > Mdcat Physics Mcqs > Flashcards

Mdcat Physics Mcqs Flashcards

1
Q

What is the unit of force in the International System of Units (SI)?

A

Newton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False: The acceleration due to gravity on Earth is approximately 9.8 m/s².

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Fill in the blank: The formula for calculating kinetic energy is _____.

A

KE = 1/2 mv²

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the principle of conservation of energy?

A

Energy cannot be created or destroyed, only transformed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the following quantities is a vector? A) Mass B) Temperature C) Velocity D) Energy

A

C) Velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the formula for calculating potential energy?

A

PE = mgh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False: The total mechanical energy is the sum of kinetic and potential energy.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does the term ‘work’ refer to in physics?

A

Work is done when a force causes displacement.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Fill in the blank: The unit of power is _____.

A

Watt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the formula for calculating gravitational force between two masses?

A

F = G(m₁m₂/r²)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which law states that for every action, there is an equal and opposite reaction?

A

Newton’s Third Law of Motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the definition of frequency?

A

Frequency is the number of cycles per unit time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following increases with increasing temperature: A) Density B) Volume C) Mass D) Pressure

A

B) Volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

True or False: Sound travels faster in air than in water.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the formula for calculating the period of a pendulum?

A

T = 2π√(L/g)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Fill in the blank: The speed of light in a vacuum is approximately _____ m/s.

A

3 x 10^8

17
Q

What is the principle of superposition in waves?

A

The principle that the resultant displacement is the sum of the displacements of individual waves.

18
Q

Which type of wave requires a medium to travel: A) Electromagnetic waves B) Sound waves C) Both A and B D) None of the above

A

B) Sound waves

19
Q

What is the formula for Ohm’s Law?

A

V = IR

20
Q

True or False: In a closed circuit, the total current entering a junction equals the total current leaving.

A

True

21
Q

What is the difference between speed and velocity?

A

Speed is a scalar quantity, while velocity is a vector quantity.

22
Q

Fill in the blank: The law of reflection states that the angle of incidence is equal to the angle of _____.

A

Reflection

23
Q

What is the principle of conservation of momentum?

A

In a closed system, the total momentum before an event is equal to the total momentum after the event.

24
Q

Which of the following is a type of potential energy? A) Thermal energy B) Chemical energy C) Kinetic energy D) All of the above

A

B) Chemical energy

25
Q

What is the SI unit of electric charge?

A

Coulomb

26
Q

True or False: The frequency of a wave is inversely proportional to its wavelength.

A

True

Mdcat (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions