Question

1 Automated fabrication will not have a dramatic impact on society
2. Tele-Touch lets you interact with your world with touch from a distance.
3. Sunflower is an artificial flower)
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Answer 1

Answer:

The power of the lens should be such that the image of an object at infinity is obtained at a distance of 100 cm =1 m by the lens.

Hence, using

v

1

−

u

1

=

f

1

−1

1

−

−∞

1

=

f

1

Thus Power=

f

1

=−1