Suppose a sound wave and an electromagnetic wave have the same frequency. which has the longer wavelength? 1. the sound wave 2. they have the same wavelength. 3. it depends on the speed of the sound wave. 4. the electromagnetic wave

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

In a system, when potential energy decreases, then entropy also decreases. true false

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?