Wave motionHard
Question
The intensity of the sound at 3 m distance from a small loudspeaker of power 10 w is 2 w/m2. If the power of loudspeaker is doubled then intensity at 6 m will be:
Options
A.4 W / m2
B.2 W / m2
C.1 W / m2
D.0.5 W / m2
More Wave motion Questions
For coherent source...Waves that can not be polarized are...Moonlight has an intensity of 0.84 × 10-3 W/m2. The average wavelength of moonlight is 5000...The figure below shows a snap photograph of a simple harmonic progressive wave, progressing in the negative X-axis, at a...Following are equations of four waves :(i) 1 = a sin ω (ii) y2 = a cos ω(iii) z1 = a sin ω (iv) z2 = a co...