11.Find the refractive index of the liquid if a ray of light strikes surface AB normally and then comes out from face AC at grazing emergence.[aμg = 3/2]
Here,
u sin 60° = μ2 sin r
964 Views
Advertisement
12.Define the angular magnification of an optical instrument.
695 Views
13.In Young’s double slit experiment, if white light is used in lieu of monochromatic light, what changes are observed in the interference pattern ?
454 Views
14.The refractive index of glass with respect to air is 3/2. Find the angle of polarisation.
343 Views
Advertisement
15.What is meant by remote sensing ?
469 Views
16.An electron is accelerated under a potential difference of 150 volts. What is De broglie’s wavelength ?
486 Views
17.How can the work function of tungsten be increased ?
396 Views
18.What are Fraunhoffer’s Lines ?
627 Views
Advertisement
19.What is the role of control rods in a Nuclear Reactor ?
Short Answer Type
Switch
