Chemistry, asked by amitvikram1, 1 year ago

32. A radio-active substance is one which
(a) decays spontaneously emitting radiations
(b) is used to design radio parts
(C) is used in radio communications
(d) has property of attracting radio waves

ojasaklechayt: ans is C

Answers

Answered by priya1353

It is used in radio communication

amitvikram1: i am preparing for exam

ojasaklechayt: for which exam ????

ojasaklechayt: board ???

amitvikram1: poly# technique

ojasaklechayt: ohh

amitvikram1: and you

amitvikram1: mean which board

ojasaklechayt: cbse

amitvikram1: oooo

ojasaklechayt: u ??

Answered by Swetankan

(d) has property of attracting radio waves

Swetankan: class 8

ojasaklechayt: you are in 8th ???

amitvikram1: then this is not for you

ojasaklechayt: yeap this us the topic of 11th and 12th

Swetankan: ok

amitvikram1: yea

amitvikram1: and you

ojasaklechayt: mee ??? I am in 11th

Swetankan: i have learnt from chapter marie curie

ojasaklechayt: ohh

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