In a photoelectric experiment it was found that the stopping potential decreases from 1.85 V to 0.82 V as the wavelength of the incident light is varied from 300 nm to 400 nm. Calculate the value of the Planck constant from these data.
The height of a right circular cone is 6 cm and area of its base is 18.5 cm^(2) . Find its volume.
In an examination,a student requires 40% of the total mark to pars.If fupa gets 185 marks and fails by 15 marks.find the total marks.
In an examination a student requires 40% of the total marks to pass if rupa gets 185 marks and fails by 15 marks, Find the total marks.
The following question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 138 , 161 , 185 , 210 ?
In a 0.2 molal aqueous solution of a week acid HX, the degree of ionisation is 0.3. Taking K_(F) for water as 1.85, the freezing point of the solution will be nearest to
In a 0.2 molal aqueous solution of a weak acid HX the degree of ionization is 0.3. Taking K_(f) for water as 1.85, the freezing point of the solution will be nearest to
