Question

1.The focal length is equal to half of the …………….

a. c entre of curvature
b . The radius of Curvature
c. Axis
d. none of the above
2.The point on principal axis at which parallel rays; coming from infinity; converge after reflection is called the …………….
a. Principal Focus
b .Aperture
c .Principal Axis
d. focal length
3.Which of the following best describes the image formed by a plane mirror?
a .Virtual, inverted and magnified
b .Real, inverted and diminished
c. Virtual, erect and the same size as object
d. Real, erect and the same size as object
4.Which of the following best describes the image formed by a convex mirror?
a. Virtual, erect and magnified
Real, inverted and magnified
b .Virtual inverted and diminished
c. Virtual erect and diminished




5.The field of view is maximum for,
a .Plane mirror
b. Concave mirror
c. Convex mirror
d . .Cylindrical mirror
6.Which of the following best describes the image formed by a concave mirror when the object is located somewhere between the focal point (F) and the center of curvature (C) of the mirror?
a .Virtual, erect and magnified
b .Real, inverted and diminished
c .Virtual, erect and diminished
d .Real, inverted and magnified
7.If a man wishes to use a plane mirror on a wall to view both his head and his feet as he stands in front of the mirror, the required length of the mirror ____.
a .is equal to the height of the man.
b .is equal to one half the height of the man.
c. depends on the distance the man stands from the mirror.
d. depends on both the height of the man and the distance from the man to the mirror.
8.Which of the following statements are true of a virtual image?
a Virtual images are always located behind the mirror.
b .Virtual images can be either erect or inverted.
c. Virtual images can be magnified in size, reduced in size or the same size as the object.
d Virtual images can be formed by concave, convex and plane mirrors.
9.Virtual images are not real; thus, you could never see them when sighting in a mirror.
a.Virtual images result when the reflected light rays diverge.
b.Virtual images can be projected onto a sheet of paper.
10.Which of the following statements is/are true of a real image?
.Real images are always located behind the mirror.
a. Real images can be either erect or inverted.
b .Real images can be magnified in size, reduced in size or the same size as the object.
c .Real images can be formed by concave, convex and plane mirrors.
d. Real images are not virtual; thus, you could never see them when sighting in a mirror.
e Real images result when the reflected light rays diverge.
f. Real images can be projected onto a sheet of paper.​

Answer 1

Step-by-step explanation:

1.The focal length is equal to half of the …………….

b . The radius of Curvature

2.The point on principal axis at which parallel rays; coming from infinity; converge after reflection is called the …………….

a. Principal Focus

3.Which of the following best describes the image formed by a plane mirror?

c. Virtual, erect and the same size as object

4.Which of the following best describes the image formed by a convex mirror?

a. Virtual, erect and magnified