Physics, asked by bhavana7218, 26 days ago

28. The focal length of a concave mirror is 20cm. The power of the mirror is
A) - 10 D
B) – 5 D
C) + 5 D
D) + 10

Answers

Answered by sunitakumarijsr4

1

powe is -5D

here is your Answer.

Attachments:

Previous Question

Next Question

Similar questions

English, 12 days ago

3: Are they_______ idle ? a)sit b) sat c) sitting .d)been sitting plz ans me✨...

Hindi, 12 days ago

आवश्यकता आविष्कार की जननी है लॉक डाउन की स्थिति देखते हुए अनुच्छेद लिखें...

English, 12 days ago

Define Zygote Formation...??

Math, 26 days ago

Draw a line segment AB of length 7.3 am. Construct the perpendicular bisector of AB...

History, 26 days ago

Name the Founders Dominos...

Math, 7 months ago

Write the mirror image of the point (2 , 3) and (-4 , -6) with respect to x-axis .

Physics, 7 months ago

Two point chargers 9c and 1c ate kept at a distance of 16cm from each other. At what point between these charges should a third charge be placed so that it remains in equilibrium?

Biology, 7 months ago

Describe three ways devised to avoid pregnancy.