Determine how many bright fringes will be seen
Blue Light of wavelength 450 nm passes via an interference grating having a slit spacing of 0.001mm and makes an interference pattern on the wall. Determine how many bright fringes will be seen?
i) 1
ii) 3
iii) 5
iv) 7
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Determine the final temperature observed in a coffee cup calorimeter when the 12.50g of calcium hydroxide is totally dissolved in the 125.0g of water initially at the 21.5o C.
conducting rod of 1.2 m pivoted at the end is rotating at constant frequency 25Hz. When the magnetic field is 0.125T determine the electromotive force induced between the ends of the rods?
Determine the steady-state temperature distribution in a spherical shell of inner radius 1 and outer radius 2 when the inner surface is held at 0 degrees and the outer surface has its upper half at 100 degrees and lower half at the 0 degrees.
Write down all the equilibrium expressions for all the steps of this dissociation. Determine the pH and the concentration of H2PO4^- , HPO4 ^-2 and PO4^3- ions for a 9.0M H3PO4 solution.
Determine the concentration of sodium acetate [Na(CH3COO)] formed at the equivalence point when 25.0mL of 0.0750 M acetic acid (CH3COOH) are titrated with0.0300 M NaOH.
Discuss how much 0.100 M NaOH must be added to 45.0 mL of 0.100 M HOAc (ka for acetic acid = 1.8x10-5) to give a solution whose pH is 4.30?
The human eye can readily sense wavelengths from around 400 nm to 700 nm. When white light illuminates a diffraction grating having 750 lines/mm, over what range of angles does the visible m = 1 spectrum expand?
Using Maxwell's relation, calculate whether the entropy of silicone increases, decreases, or stays the same when it is compressed by increasing the P at constant T. Silicone is a biomaterial that expands when heated at constant pressure.
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