Physics Numericals Q1: Convert 1 mm of Hg into Pascal. (Take density of Hg = (13.6 times 10^3 , text{kg/m}^3) and ( g = 9.8 , text{m/s}^2 )). Solution:Given:Height of mercury column: ( h = 1 , text{mm} = 0.001 , text{m} )Density of mercury: ( rho = 13.6 times 10^3 , text{kg/m}^3 )Gravitational acceleration: …
“`html Physics Numericals Q11: (a) The diameter of neck and bottom of a bottle are 2 cm and 10 cm respectively. The bottle is completely filled with oil. If the cork in the neck is pressed in with a force of 1.2 kgf, what force is exerted on the bottom of the bottle? Solution: Given: …
“`html Physics Numericals Physics Numericals Q6: The pressure of water on the ground floor is 40,000 Pa, and on the first floor is 10,000 Pa. Find the height of the first floor. (Take: Density of water = (1000 , text{kg/m}^3), ( g = 10 , text{m/s}^2 )). Solution: Given: Pressure difference: ( Delta P = …
“`html Physics Numericals Physics Numericals Q1: A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross-section of tip of nail A is 2 mm² while that of nail B is 6 mm². Calculate pressure on each nail in pascal. Solution: Given: ( F = …
