Sem1PsciReview1

Front

What is needed to increase acceleration?

Back

Force is needed to increase acceleration.

Front

What causes waves in a medium?

Back

Waves in a medium are caused by vibrations.

Front

True or False: All energy transformations are inefficient.

Back

True.

Front

Which wave has the greatest frequency?

Back

Wave 4 has the greatest frequency.

Front

What happens to white light when it hits an object?

Back

The colors you see are the ones that are usually reflected off of objects.

Front

Define acceleration.

Back

Acceleration is the rate of change of velocity of an object.

Front

What is the relationship between force and mass in Newton's second law?

Back

Force equals mass times acceleration (F = ma).

Front

What is frequency in terms of waves?

Back

Frequency is the number of waves that pass a point in one second.

Front

What is the definition of amplitude?

Back

Amplitude is the maximum extent of a vibration or oscillation, measured from the position of equilibrium.

Front

What is the difference between reflection and refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through different mediums.