Review ETT G7

Which of the following is NOT included in a scalar quantity?

• Unit

• Direction

• Magnitude

Which of the following is needed for a vector quantity?

• Unit

• Direction

• Magntude

• All of the choices

Which of the following is a vector quantity?

• 5 grams

• 687 meters

• 100 kilometers, North

in which medium sound can't travel?

• vacuum

• water

• wood

which of the following is NOT a characteristic of sound?

• Pitch

• Quality

• Melody

What type of charging process is shown in the image?

• Charging by conduction

• Charging by polarization

Which among these colors has the highest frequency?

• Violet

• Green

• Orange

Which among these colors has the highest frequency?

• Violet

• Green

• Orange

Which of the following light waves produce a brighter light?

• Wave A

• Wave B

Which of these waves produce a louder sound?

• Wave A

• Wave B