1st Semester Test 2024

Front

As mass decreases, kinetic energy increases. True or False?

Back

False

Front

Moving a book to a lower shelf decreases its potential energy.

Back

True

Front

When you put on the brakes of a bicycle, friction causes some of the mechanical energy to transfer to thermal energy. True or False?

Back

True

Front

According to the law of conservation of energy, energy can be created or destroyed.

Back

False

Front

Refraction occurs when the amplitude of a wave changes as it goes from one medium to another.

Back

False

Front

You can hear sounds around the corner of a door due to the wave interaction called diffraction.

Back

True

Front

Sound travels faster at higher temperatures. True or False?

Back

True

Front

What conclusion can you draw from the information shown in this figure?

Back

The speed of sound varies with the material in which the waves travel.

Front

Based on the figure shown, sound waves travel most slowly through which of the following? air, glass, rubber, water

Back

air

Front

Which of the following is NOT a way that waves interact with matter? Waves can be reflected by matter., Waves are affected by gravity., Waves can change direction when they travel from one material to another., As waves pass through matter, some of the energy they carry can be transferred to matter.

Back

Waves are affected by gravity.