Prep2.U2L1.22.11

What is one of the practical uses of concave mirrors?

• Concentrating light in a telescope

• Cooking food

• Reflecting sound waves

• Creating 3D images

Why are concave mirrors used by dentists and ENT surgeons?

• To reflect heat

• To examine the patient's teeth

• To concentrate light on a spot

• To create a blurry image

What type of image do concave mirrors form when an object is placed between its focus and pole?

• Virtual and enlarged

• Real and reduced

• Erect and magnified

• Inverted and diminished

What is the purpose of a concave mirror with a hole in its center?

• To project a 3D image

• To create a rainbow effect

• To concentrate solar radiations

• To reflect heat waves

Where are convex mirrors commonly used in automobiles?

• As a side mirror

• As a windshield

• As a rearview mirror

• As a dashboard mirror

What is the main advantage of using convex mirrors in departmental stores?

• To create a magnified image

• To reflect heat

• To provide a clear view of approaching traffic

• To project a 3D image

What is one of the uses of a concave mirror in solar heating devices?

• To create a rainbow effect

• To project a 3D image

• To concentrate solar radiations

• To reflect heat waves

What is the purpose of using a convex mirror as a vigilance mirror in departmental stores?

• To create a magnified image

• To project a 3D image

• To provide a clear view of approaching traffic

• To reflect heat