What is the angular radius θ1 of the first dark ring for a point source being imaged by this telescope? use 550 nanometers for the wavelength

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Identify the type of heat transfer occurring when chocolate melts in your hand