Question

...-oecondary Section
- vangardan Bhagat Marg CIDCO Colony, New Panvel, TN: 27463729, E-ma
STD.: IX Science & Technology - 1 (072)/ 1- Page / 2UT - 2021 / 20 Marks / 1
r. A) Fill in the blanks
1 Sound does not travel through
2 Focal length of convex mirror is
BY State odd one out with reason
1 Cochlea, Stapes, Guard cells, Tympanic cavity
2) Mirror in rear view of cars, Mirror in torch cells, Mirror in barber shops
Mirror in flood light​

Answer 1

Answer:

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