Physics, asked by latajoshi244, 3 months ago

Ek avtal lens ki focus Doori 30 centimetre hai to Lens ki chamta batayeye

Answers

Answered by Itzsweetcookie

0

Answer:

एक अवतल लेंस की फोकस-दूरी 20 cm है इसकी क्षमता होगी

Answered by trishudas456

0

Explanation:

Inhibitory method of following contraceptives?

(a) Spermicidal jelly, (b) .UCD, (c) Diaphragm, (d) Contraceptive pill.

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