Refresh the Chapter 6 Concept

A student is 2.50m away from a convex lens while her image is 1.80m from the lens, what is the focal length?

• 1.05m 
• 2.50m
• 1.39m
• 0.72m

An object is placed at a distance of 27.0 cm away from a thin convex lens with a focal length of 9.00 cm.  How far from the lens is the image located and what type of image is formed? 

• 13.5 cm and real
• 3.00 cm and real
• 0.33 cm and virtual
• 0.15 cm and virtual

The line that passes through the center of a curved mirror is called

• focal point
• center of curvature 
• principle axis
• light ray

The following is a picture of what type of mirror? 

• Convex Mirror
• Concave Mirror
• Plane Mirror
• Flat Mirror

Tags

NGSS.MS-PS4-2

The following is a picture of what type of mirror? 

• Convex Mirror
• Concave Mirror
• Plane Mirror
• Flat Mirror

Tags

NGSS.MS-PS4-2

An image that you can see , but does not really exist is called which of the following?

• Real Image
• Fake Image
• Virtual Image
• Digital Image

What is the position of the image when an object is placed between the centre of curvature and the focus of a concave mirror?

• At the focus
• At the centre of curvature
• Beyond the centre of curvature
• Between the focus and the centre of curvature

A real image having a size of 10 cm is formed by a concave mirror. The size of the object is 5 cm.The magnification of the object is

• -5
• 5
• 2
• -2

An object is placed 10 cm from a convex mirror. Its image is formed 5 cm behind the mirror.The focal length of the given convex mirror is

• -5 cm
• 5 cm
• 10 cm
• -10cm

an image that forms when light rays actually meet

• virtual image
• real image
• diffuse reflection
• regular reflection

Tags

NGSS.HS-PS4-3