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Optics
The power of a convex lense is 5D.At what distance object should be placed from the lense so that, 2 times larger image is formed.
Optics
the core an cladding of an optical fiber has refractive indices 1.52 and 1.47 respectively.Find the numerical aperture.?
Optics
can we get emergent ray parallel to incident ray in a prism?How?
Optics
Suppose a boy 'A' is inside swimming pool near an edge. Suppose his friend 'B' is standing on the edge.Will 'A' find 'B' taller or shorter than usual height?Explain.
Optics
Can dispersive power be negative?Why?
What will be the sign of dispersive power if a hollow prism is immerged into water ?
What will be the sign of dispersive power if a hollow prism is immerged into water ?
Optics
Is it important to have monochromatic light for pure spectrum?Why?
Optics
What are the conditions of Young's double experiment?
What is monochromatic light?
What is monochromatic light?
Optics
Why light turns 2θ when mirror turns θ in measuring speed of light by Foucault method?
Optics
Briefly explain optical fibre?
Optics
CAN WE USE ULTRA SONIC WAVE FOR DIFFRACTION OF SOUND?
