From the given information, it's not possible to find the mass or the volume of the sample.
Density is their RATIO, but you can't tell if the sample is the size of an ant or a school-bus.
B) Focusing light through a camera lens.
In each of the other options, light rays bouncing off a surface produce an image.
Well we already know A filling is a material that your dentist uses to fill a cavity after he or she removes any tooth decay. To fill a tooth, your dentist will: Numb your teeth, gums, tongue, and surrounding skin."
a) uniform velocity
b) zero or no acceleration
c) (see picture)
EXPLANATION:
(see picture)
Answer
Plane
There are two types of curved mirrors, concave and convex. Both curved mirrors form that are magnified.
Concave will form an image on the same side as the object and it may not be the mirror used.
Plane mirror on the other hand forms images behind the mirror in all cases. The image formed is upright meaning it is virtual.
∴ The mirror used is a plane mirror.