How far apart are the fringes in the center of the pattern

Assignment Help Physics

Reference no: EM1361020

Q. At a rock concert, a dB meter registered 130 dB when placed 2.5 m in front of a loudspeaker on the stage. (a) What was the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting absorption in the air? (b) How far away would the sound level be a reasonable 90 dB?

Q. A parallel beam of light from a He-Ne laser, with a wavelength of 662 nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern if the screen is 2.5 m away?

Reference no: EM1361020

Questions Cloud

What is the maximum positive potential energy : What is the maximum positive potential energy. Write down an expression for U as a function of x, with U in joules and x in meters.

Possible physiological and emotions impacts : Please help me with the possible physiological and/or emotions impacts and possible coping skills for each of three stressful situations.

Find value for the office complex : Suppose you are planning the purchase of a small office complex that will generate a gross rents of $600,000 per year. Because of long-term leases, rental income is not expected to change over the next twenty years

Illustrate what effect would this have on her dress price : Illustrate what effect would this have on her dress price in the short run, assuming she is following the rules of profit maximizes.

How far apart are the fringes in the center of the pattern : A parallel beam of light from a He-Ne laser, with a wavelength of 662nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern if the screen is 2.5m away.

Stress management proposal : Describe a stress management technique to try and decribe in reducing stress. Would you be inclined to use that technique again? Would you recommend it to others?

Illustrate what is the probability that a brook trout length : The length of a Colorado brook trout is normally distributed. Illustrate what is the probability that a brook trout's length exceeds the mean.

Compute the present value of stock : The Ectoplasto Drug Corporation's common stock is considered highly speculative. Security analysts think that over next year 4 possible outcomes are possible for corporation's research program.

Explain the company specializes in compact washers : Explain The company specializes in compact washers and dryers for countries where consumers have less living space

User Account

All Pages