G7 UT - Light and Magnet

The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?

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When does the light is refracted?

• When light travels in a straight line

• When light is bounced

• When light travels in two different mediums

• When light cannot pass through an opaque object

What is the conclusion from your observation in this picture?

• Light travels in a straight line

• Light can be refracted

• Light can be reflected

• Light can pass through a transparent material

A magnet can not attract which material?

• metal paper clip

• screw

• paper

What will happen with these magnets?

• Attract

• Repel

• Spin around

• Nothing

Which direction does the magnetic field move towards?

• South to North

• North to South

• Left to Right

• Magnetic Fields to not move towards anywhere

Which direction does the needle of a compass point to?

• North

• South

• East

• West

• None of the above

How can you make an Electromagnet stronger?

• Change the shape

• Add more coils

• Make the current higher

• All of the above

What can we use to find the shape of a magnetic field?

• Compass

• Cobalt

• Steel

• Iron filings

Which of the following use Magnetic Fields?

• Motors

• Bells

• Electromagnets

• Compasses

• All of the above