*Phy101* Posted by 👩🏻‍💻 Date:2 Aug 2026 Day : Sunday Papaer is so conceptual all mcqs are difficult only 3,4 mcqs are easy other wise paper is so tough. 1.If we double potential difference across resistor is: 2. If the red light in spectrum wavelength is 700 x10^-9 ,whats the frequency ? 3- d= 1m and q=1 x micro C find E.. 4. θ =60 the magnetic flux is: S.Q : Is Heisenberg uncertainty principle applicable to the practical case of using thermometer to measure the tempreture of glass of water? L.Q: (a)What becomes isotopes that undergo alpha decay? (b)Which radioactive material produces a higher counting rate: one with a short half-life or one with a long half-life?