Form 3 Physics Coursework Quiz

A ray is represented by

• A dot

• A star

• A line with an arrow

• A rectangle

Which of the following is correct about parallel beams?

• It consists of a group of rays that move out from a point

• It consists of a group of rays that meet at a point

• It consists of a group of rays that cross each other

• It consists of a group of rays that are the same distance apart all the time

Which of the following diagrams represents a converging beam of light?

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• 
• 
• 

Which of the following diagrams represents a beam of light produced by this bulb?

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• 
• 
• 

Which of these is transparent?

• wood

• air

• A mirror

• tinted glass

A material that doesn’t allow light to pass through is described as _____________.

• Opaque
• Transparent

• Translucent

• Fluorescent

The following diagrams show the effect of light falling on cups made of different materials. Which of the following correctly identifies the type of materials?

• Cup I Transparent, Cup II Translucent, Cup III Opaque

• Cup I Transparent, Cup IIi Translucent, Cup II Opaque

• Cup III Transparent, Cup II Translucent, Cup I Opaque

• Cup III Transparent, Cup I Translucent, Cup II Opaque

Pinhole cameras have _____________.

• Single lens

• Double lens

• Both single and double lens

• no lens

The pin-hole camera produces a less sharply defined image when the

• Pinhole is larger

• pinhole is smaller

• screen is further from the pinhole

• object is further from the pinhole

Distinguish between a convergent beam and a divergent beam.