Two monochromatic beams meet at a point have a path-difference of 8 wavelengths. A mica sheet of thickness 2.4 microns is introduced
into the path of one of the beams. If 2=600nm and n=1.5. Calculate
the path difference now

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your

The lid of a pressure cooker forms a nearly airtight seal. steam builds up pressure and increases temperature within the pressure cooker so that food cooks faster than it does in an ordinary pot. the system is defined as the pressure cooker and the water and steam within it. if 2.0 g of water is sealed in a pressure cooker and then vaporized by heating, and 5655 j must be added as heat to completely vaporize the water, what is the change in the system’s internal energy? answer in units of j.

What is the acceleration rate of an object if the amount of force applied on the object is 75 newtons and the object has a mass of 15 kilogram?