Question

please give me right answer of my questions i make you brainlist​

Answer 1

Answer:

6,62,725

Step-by-step explanation:

Raman purchase a house - rs.6,65,700

Raman spend in repairing- rs.2,975

Hense, 6,65,700 - 2,975

= 6,62,725

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