The slit of width ‘d’ is illuminated by light of wavelength 5000a0. For what value of ‘d’ will the first maximum fall at an angle of diffraction of 300?.

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

What are the factors that affect the resistance of a wire?