What magnification is produced by a 0.150 cm focal length microscope objective that is 0.155 cm from the object being viewed?

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow