Waves

Question 1

v = (in terms of B)

Answer 1

root(B/rho)

Question 2

Areflection =

Answer 2

(v1 - v2 / v1 + v2) A

Question 3

Atransmission =

Answer 3

(2v2/(v2+v1)) A

Question 4

Nodes are located at

Answer 4

n lambda/2

Question 5

Antinodes are located at

Answer 5

(2n+1)lambda/4

Question 6

v sound relation with pressure

Answer 6

independent

Question 7

v sound relation with humidity

Answer 7

humidity inc, M dec, v inc

Question 8

Stationary waves condition

Answer 8

Same freq, same medium, same velocity, opp direction
asin(kx+wt) + asin(kx-wt)
Amplitude will vary at each place

Question 9

Tuning fork in presence of wax

Answer 9

freq dec

Question 10

Tuning fork filed

Answer 10

Freq inc