Fill in the blanks in three columns.
| I |
II |
III |
| 1. Refractive index n = 1.5 |
Critical angle, θ = ....(i) ... |
Polarising angle P = ...(ii) ... |
| 2. Photoelectric equation KE = hv - hv0 |
Graph between incident frequency along x axis and KE on Y axis is a ...(iii) ... |
Slope of the graph gives ..(iv) ... |
| 3. Magnetic susceptibility λ = 0.2 |
Relative permeability μ0 = (v) |
Substance is ...(vi).. nature |
