Numericals on mirror

Numericals on mirror

Multiple Choice

Virtual Images are

• Always erect
• can be obtained on screen
• magnified or diminished
• all the above

Multiple Choice

Real images are :

• Always inverted
• Magnified or Diminished
• can be obtained on screen
• all the above

Multiple Choice

Convex Mirrors produce...

• only virtual images
• virtual or real images
• only real images
• inverted images

Multiple Choice

An image that forms where light seems to come from a point but light rays don't actually meet is a 

• virtual image
• real image
• Inverted Image
• Pizza

Multiple Choice

a mirror with a surface that curves inward like the inside of a bowl

• concave mirror
• convex mirror
• plane mirror
• flat mirror

Multiple Choice

This is an example of a _____________ mirror

• Concave
• Convex
• Plane
• Magnifying

Multiple Choice

The d_o can be a negative value.

• True
• False

Multiple Choice

Which terms describe the reflection seen in this image?

• virtual, upright
• virtual, inverted
• real, upright
• real, inverted

Multiple Choice

This ray diagram is for which mirror?

• concave

• convex

• plane

• window

Multiple Choice

In the mirror equation above d₀ represents:

• Distance of the object from the mirror

• Distance of the image from the mirror

• The focal length

• The plane of incidence

Multiple Choice

What kind of mirror is shown here?

• plane
• concave
• convex
• diffuse

Multiple Choice

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

Multiple Choice

A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at:

• at infinity

• at focus

• at pole

• behind the mirror.

Multiple Choice

A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is

• -10 cm

• 20 cm

• -30 cm

• -40 cm

Multiple Choice

If a man’s face is 25 cm in front of concave shaving mirror producing erect image 1.5 times the size of face, focal length of the mirror would be:

• 75 cm

• 25 cm

• 15 cm

• 60 cm

Multiple Choice

A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at:

• 25 cm

• 40 cm

• 10 cm

• At infinity