AIPMT | 2014Wave OpticsHard
Question
Light with an energy flux of 25 × 104 Wm-2 falls ona perfectly reflecting surface at normal incidence. If the surface area is 15 cm2, the average force exerted on the surface is
Options
A.1.25 × 10-6N
B.2.50 × 10-6N
C.1.20 × 10-6 N
D.3.0 × 10-6 N
More Wave Optics Questions
As shown in arrangement waves with identical wavelengths and amplitudes and that are initially in phase travel through d...In the Young′s double slit experiment, for which colour the fringe width is least ?...In a Young′s double slit experiment, green light is incident on the two slits. The interference pattern is observe...Intensity at a point of observation will be zero, when the number of half period zones exposed through the aperture, are...In a negative zone plate :...
N