Question

Answer the following questions: 1. What is a family? Name two types of families 2. Mention the things children learn by watching the family members.​

Answer 1

Answer:

1 Family, a group of persons united by the ties of marriage, blood, or adoption, constituting a single household and interacting with each other in their respective social positions, usually those of spouses, parents, children, and siblings.

Two types of family are:-

i) joint family

ii) nuclear family

2 The children learn good behaviour, moral values and skills by watching the members of the family.

Answer 2

Answer:

Frequency of oscillation of string in n

th

harmonic is

2l

nc

.

where c is the speed of the wave in the string.

Since the string vibrates in 4 segments, n=4

400=

2l

4c

⟹

2l

c

=100

Fundamental frequency f

1

=

2l

1×c

=100Hz