Question

AN
nswer all the questions. 2) Each question carries seven
necessary
on two cases in which there is no Doppler effect in sound?
e applications of universal law of gravitation. (OR)
in the factors affecting velocity of sound?
y 4 properties of light. (Write any five points)
ulate the number of moles of the following.
(ii) 12.046 X 1023 atoms of Al (iii) 400g of CaCO3 (iv)
ngue"? (OR)
e salient features of modern atomic theory. ii) Any 3 metho-
* are the effects of hybrid vigour in animals. ii) Enumeratet
the male reproductive system of rabbit with a labelled
nignificance of DNA.
RSM​

Answer 1

Answer:

i can't understand what are you saying

Explanation:

i can't understand what are you saying

Answer 2

Answer:

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