Summary questions 1 a) Sketch an arrangement that may be used to observe the fringe
pattern when light from a narrow slit illuminated by a sodium vapour
lamp is passed through a double slit.
b) Describe the fringe pattern you would expect to observe in a.​

Identify two factors that determine the rate of stream erosion

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3