Q 96

The focal length of the objective lens of a telescope is 0.20 m and the eyepiece has a focal length of 1.6 m.What is the length of this telescope?
A)8.0 m
B)1.4 m
C)0.90 m
D)1.6 m
E)1.8 m

Q 97

The length of the telescope is 1.60 m,and it has a magnification of 60.0.What is the focal length of the objective lens?
A)60.0 cm
B)157 cm
C)100 cm
D)128 cm
E)96.0 cm

Q 98

The length of a telescope is 1.60 m and it has a magnification of 60.0.What is the focal length of the eyepiece?
A)2.62 cm
B)60.0 cm
C)100 cm
D)1.16 cm
E)96.0 cm