Question

the above picture consist of 11 questions please answer it correctly
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Answer 1

Answer:

• hetrz
• time period
• vaccum
• the maximum displacement of a vibrating particle from its mean position to one of the extreme positions
• amplitude
• the object completes 50 oscillations in one sec

no , because sound can not travel in vaccum

• 1avoid very loud music, 2plant more trees,3minimize the use of defective machines,4avoid unnecessary use of horns,5 wear ear plugs to protect ear ,if working in a noisy place
• long exposure to noise can reduce our concentration and cause restleness. it also amy lead to sleep disturbance and discomforts . also hearing problems
• this i dont know sorry

Explanation:

i have provided all the ans except 1 plzz mark as a brainliest as i have done soo much for u thankyou

Answer 2

Explanation:

1.hertz

2.timeperiod

3.vaccum

4.the maximum displacement of a particle from its mean position during the disturbance.

5.amplitude

6.1÷50=0.02

7.time period =0.5seconds and frequency=2hz

8.no they cannot because sound doesn't travel in vacvum. and space is a vaccum.

1. 11. audilble sound is range of sound that human can hear that is 20hz and inaudilbe is that sound which humans can not hear that is from 20hz to 2khz and below 20hz.

i have not provided the answers of two question.