The ornamental design for a light with swivelling reflector and lamp, as shown.
FIG. 1 is a perspective view of a front, one end and one side of a light with swivelling reflector and lamp which constitutes a first embodiment of the new design;
FIG. 2 is a perspective view of a back, an opposite end and an opposite side of the embodiment of FIG. 1;
FIG. 3 is a perspective view of a front, one end and one side of a light with swivelling reflector and lamp which constitutes a second embodiment of the new design; and,
FIG. 4 is a perspective view of a back, an opposite end and an opposite side of the embodiment of FIG. 3.