View Solution If the arcs of the same length in two circles subtend angles60∘and90∘at their centres . Find the ratio of radii. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class ...
To solve the problem step by step, we will use the relationship between the arc length, radius, and the angle subtended at the center of the circle. Step 1: Understand the problemWe have two arcs of different circles that are of equal lengths. The angles subtended by these arcs at the ...
The elements are mounted in a mechanical assembly so that the facing faces are parallel and located close together. The thin ends of the prisms in each element are at opposing ends of the element. The angles (A1,2) subtended by the prisms and their refractive indices are chosen to reduce ...
there is a definite limited range of ray angles that can be used. The dichroic surface805is arranged so as to be set at an angle θ to the normal to the incident beam which is slightly greater than the greatest angle ψ subtended by the input beam to the optical axis. A typical value...
When the illuminator aperture mirror 28 is projected precisely on curved surface 3b (a feature on the rippled surface of wafer 3), the entire cone of reflected light may be diverted (which is the cause of scattering), but the subtended angle of the cone emanating from a single point on ...
The elements are mounted in a mechanical assembly so that the facing faces are parallel and located close together. The thin ends of the prisms in each element are at opposing ends of the element. The angles (A1,2) subtended by the prisms and their refractive indices are chosen to reduce ...
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