Question

Question 1 (A) Choose the correct answer from given below.
1.
Voice of which of the following is likely to have minimum frequency?
a) Baby girl b)Baby boy
c)A man
d) A woman
2. Which of the following cannot be change easily by friction?
a) Plastic scale b) A copper rod c) an inflated balloon d) A woolen cloth.
3. ------- 'Animal can hear sound of frequency higher than 20,000 Hz.
a) cat
b) dog
c) lion
d) elephant.
(B) fill in the blanks.
1. The unit of frequency is---------
2.The power of an earthquake is expressed in terms of magnitude on a scale called
2 Answer in one word​

Answer 1

Answer:

j&guo8triicfyjvfruude

Answer 2

Answer:

1.(c) A man

2 (c)

3(b) Dog

B

1.Htz

2.Ritcher scale

I think it is helpful for you