Question

(1)
What is the SI unit of power?
(a) Watt (b) dioptre. (c) volt.
(d) ampere.
(ii) What is the minimum distance value of convex lens
(a) 20cm.
(b) 25cm. (c) 20mm
(d) 25mm
(iii) What kind of lenses would Mala need to make
adjustments?
(b)concave
(a)
convex and concave.​

Answer 1

Answer:

c volt

25mm

concave

Explanation:

pls mark as brainliest

Answer 2

Answer:

1.watt

Explanation:

2. 20 cm

3.both.