Explanation:
Here,
Image distance= 20 cm
Object distance= u which is -30 cm
we hace to find focal length
Using the mirror formula
1/v-1/u = 1/f
place the value
1/20 -1/-30 = 1/f
f = 12
hence the focal length is 12cm .
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thank you
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Answer:
your I'd is also not comming do one thing that that change your I'd and then tell me okk and give me a ss of my I'd that it is comming or not
what is hydated
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Verified answer
Explanation:
Here,
Image distance= 20 cm
Object distance= u which is -30 cm
we hace to find focal length
Using the mirror formula
1/v-1/u = 1/f
place the value
1/20 -1/-30 = 1/f
f = 12
hence the focal length is 12cm .
I hope it is helpful for you
thank you
if you like my solution please mark me as brainliest answer
Answer:
your I'd is also not comming do one thing that that change your I'd and then tell me okk and give me a ss of my I'd that it is comming or not
what is hydated