MCQ
The work function for photoelectric effect:
- ✓Is different for different metals.
- BIs same for all metals.
- CDepends upon the intensity of incident light.
- DDepends upon the frequency of incident light.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$(A)$ In the region $0 < r < R$, the magnetic field is non-zero.
$(B)$ In the region $R < r < 2 R$, the magnetic field is along the common axis.
$(C)$ In the region $R < r < 2 R$, the magnetic field is tangential to the circle of radius $r$, centered on the axis.
$(D)$ In the region $r > 2 R$, the magnetic field is non-zero.
$(I)$ Moving the magnet away from the coil.
$(II)$ Moving the coil towards the magnet.
$(III)$ Rotating the coil about the vertical diameter.
$(IV)$ Rotating the coil about its axis.
An emf in the coil will be generated for the following situations.