We did this experiment before, when the rope moves, it represents the waves passing through in from the level of intensity. I hope this is a good answer.
Answer:
The appropriate solution is:
(a) 
(b) 
(c) 
Explanation:
According to the question, the value is:
Power of bulb,
= 60 W
Distance,
= 1.0 mm
Now,
(a)
⇒ 
On applying cross-multiplication, we get
⇒ 
⇒ 
⇒ 
(b)
As we know,
⇒ 
By putting the values, we get
⇒ 
(c)
⇒ 

⇒ 
⇒ 
The earth is so round that we can run around it in five million days
Answer:
A. demand increases and supply decreases
Explanation:
The correct answer is: The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if demand increases and supply decreases