1. A collection of dried plant specimen that are pressed, treated and mounted on a standard size sheet in order to preserve it. 

Correct Answer - (a). `F=(Q^(2))/(32pi epsilon_(0)R^(2))` (b). `F=(piepsilon_(0)E_(0)^(2)R^(2))/(2)`

Correct Answer - (1) `E=sigma/(2in_(0))` perpendiculary away from the sheet `B=(mu_(0)sigmav)/2` parallel to the sheet in `-ve` and `+ve` y direction (2) E= same as in (1);`B=0`

Correct Answer - `epsi -(sigma)/(epsi_(0)x=9.97V, 11.8 cm`

Correct Answer - `5200 V`

It is also essential to record the date, place of collection along with detailed classification and highlighting with its ecological peculiarities, characters of the plant on a sheet. Local names...

Plant and animal specimens preserved in formalin (10% to 40% formaldehyde) in transparent jars.

Correct Answer - `(iv)`

Correct Answer - 29 `cm^(2)`

Correct Answer - Rs. 108

Given: d1 = 4.24 cm, ∆T = 227 – 27 = 200 °C, α = 1.70 × 10-5 °C-1 To find: Change in diameter (∆d) Formula: α = \(\frac{d_2-d_1}{d_1\triangle T}=\frac{\triangle d}{d_1 \triangle T}\) Calculation: From formula. ∆d =...