Click to Chat

1800-2000-838

+91-120-4616500

CART 0

• 0

MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
        how does the phase decrease as the wave moves in the direction.delta of phase angle is directly proportional to delta of displacement
phase angle=-k x where k is propagation constant and -undicates decrease in phase in the direction of wave.plz explain

6 years ago

SAGAR SINGH - IIT DELHI
879 Points
										Dear student,
The phase of a wave refers to a sinusoidal function such as the following:
$x(t) = A\cdot \cos( 2 \pi f t + \theta )\,$$y(t) = A\cdot \sin( 2 \pi f t + \theta ) = A\cdot \cos( 2 \pi f t + \theta -\pi/2),\,$
where A, f, and $\scriptstyle \theta$ are constant parameters. These functions are periodic with period $\scriptstyle T = 1/f$, and they are identical except for a displacement of $\scriptstyle T/4$ along the $\scriptstyle t$ axis. The term phase can refer to several different things:

It can refer to a specified reference, such as $\scriptstyle \cos( 2 \pi f t)\,$, in which case we would say the phase of $\scriptstyle x(t)$ is $\scriptstyle \theta$, and the phase of $\scriptstyle y(t)$ is $\scriptstyle \theta -\pi/2$.
It can refer to $\scriptstyle \theta$, in which case we would say $\scriptstyle x(t)$ and $\scriptstyle y(t)$ have the same phase but are relative to different references.

All the best.
Win exciting gifts by                                                                                                                                                                                                                                answering             the                               questions              on                                            Discussion                                          Forum.         So                             help                                                 discuss                                any                                                   query             on                                               askiitians                        forum         and                                      become         an                             Elite                                                  Expert                           League                                                              askiitian.

Sagar Singh
B.Tech, IIT Delhi


6 years ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Wave Optics

View all Questions »
• Complete Physics Course - Class 12
• OFFERED PRICE: Rs. 2,756
• View Details
• Complete Physics Course - Class 11
• OFFERED PRICE: Rs. 2,968
• View Details