Paper bht conceptual aya tha. Short and long question fazool hi aye thy (All theorey).Mcqs mostly paradox waly ho aye thy. Values di thi latent heat of fusion find karni thi. Aik mcqs tha how many times the value of red moon is greater than actual.Formula of invariant interval. Long question: Who brought about the quantumn revolition? Short ques: What determines the shortest and longest wavelength that a hydrogen atom can emit?