NEB Grade XI Physics old question 2076 | Grade XI
NEB Grade XI Physics Paper Subject: Physics Grade: XI Year : 2076(2019) Code: 110(B) Attempt all the questions: Given data : Acceleration due to gravity(g) =10 m/s² Youngs modulus for copper=1.2x10¹¹Nm⁻² Youngs modulus for steel=2x10¹¹Nm⁻² Cubical expansivity of glass =1.2x10⁻⁵/⁰C Cubical expansivity of mercury=18x10⁻⁵/⁰C Specific heat capacity of copper=400JKg⁻¹K⁻¹ Specific heat capacity of water=4200JKg⁻¹K⁻¹ Ratio of molar heat capacities(γ)=1.4 Permittivity of free space(ε₀)=8.85x10⁻¹²C²N⁻¹m⁻² Group (A) bishalkafle.com.np 1. Answer any 6 questions : a. The energy of photon is given by E= hf. Find the dimension and unit of Planck's constant h, where f is the
