(a) True (b) False 3. If a sound source is approaching towards you, you will hear...

Question

Question

Answer 1

Answer #1

3) true ,

If a source of sound is moving towards you, you will hear a sound of higher pitch { due to Doppler effect}

4) number of electrons in carbon atom = 6

Therefore, total negative charge on 6 electrons =- 6×1.6×10^-19

= -9.6 × 10^-19 C

Therefore, option B is correct.

Answer 2

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