A nearsighted person has a near point of 12. cm and a far point of 17. cm. If the lens is 2.0 cm from the eye:
(a) what lens power will enable this person to see distant objects clearly?
(b) what then will be the new near point?
(a) -6.7 D
(b) 30. cm in front of the lens
You might also like to view...
Minerals in volcanic rocks are usually smaller than minerals in plutonic rock. Why is this?
What will be an ideal response?
A particle is moving with a constant acceleration of 4.0 m/s2 . Its speed at t = 1.0 s is 4.0 m/s and at t = 3.0 s it is 12.0 m/s. What is the area under the position-time graph for the interval from t = 1.0 s to t = 3.0 s?
a. 8.0 m/s b. 8.0 m c. 12 m d. 16 m e. 16 m/s2
If the temperature changes by 
then what is the change in temperature in Fahrenheit?
A. 27
B. 30
C. 32
D. 40
E. 47
From the center of the Milky Way, 10- kpc-long magnetized jets of high-energy particles are emitted
Indicate whether the statement is true or false