Social Sciences, asked by csklover912018, 5 months ago

'गरीबी रेखा' का विचार सर्वप्रथम किसने दिया था ?​

Answers

Answered by Anonymous
0

Explanation:

A curved mirror is a mirror with a curved reflecting surface. The surface may be either convex or concave. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices.

Answered by upendragupta001
5

Answer:

ye 1970 mai kiya gya tha ....

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