In a Young's double slit experiment the intensity at the cetral maxima is I0. Find the intensity at a distance
B(beta)/4 from the central maxima where B(beta) is the fringe width.
a thin film of water (refractive index= 4/3) is 3100 angstom thick. if it is illuminated by a white light and normal incidence . the color of film in the reflected light will be
A plane mirror is placed at origin parallel to y-axis, facing the positive x axis. An object starts from (2m,0,0)with a velocity of (2^i + 2^j) m/s. The relative velocity of image with respect to object is along
two rods of equal length(l) and equal mass M are kept along x and y axis respectively such that their centre of mass lie at origin.the moment of inertia about an line y=x,is
a particle is moving on a circular path with constant speed V. it moves between two points A and B, which subtends an angle 60degree at the centre of circle. the magnitude of change in its velocity and change in magnitude og its velocity during motion from A to B are respectively
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