Q.7. a)
What do you understand by deviation produced by a prism? Why is it caused. Name the colour of light
which deviates the most.
A pulley system has velocity ratio of 4 and an efficiency of 75%. Draw a labeled diagram of pulley
system and calculate the M.A of the system. f the load is 500 N calculate the effort required.
Derive the relationship between Kinetic Energy and Momentum.
Define the folloWing terms
1 Lateral Displacement
What is meant by scattering of light? Which colour of white light is scattered the least? Give reason?
Name three radiations and their wave length range which are invisible and beyond the violet end of the
VIsible spectrum.
b)
n) Dispersion
i)
Moment of Couple
c).
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