1) Write down the features of heat flow in compound media.
2) Write down the various methods of transmission of heat.
3) What are the five monochromatic aberrations of a lens?
4) Describe why spherical aberration is large in case of the microscope objective even though its aperture is small?
5) Write down the difference between musical sound and noise.
6) Write down the units for intensity of sound, intensity level of sound, loudness and loudness level.
7) Describe the neutral axis and bending moment in detail.
8) In the experiment, diameter of the rod= 1.26 cm and distance between the knife edges 70cm. On putting the load of 900g at the midpoint, the depression is 0.025cm. Compute the Young’s modulus of the material of rod.
9) Describe how the group velocity and wave velocity differ?
10) Write down the properties of de Broglie matter waves.