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R G PUBLICATION-RAY OPTICS AND OPTICAL INSTRUCMENTS-EXERCISE
- State two important differences between interference and diffraction.
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- Two lenses of powers +5D and - 3D are in contact: Find the focal lengt...
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- Deduce the relation 1/v-1/u=1/f for a concave lens.
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- An object is placed 30cm away from a concave lens of focal length 15cm...
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- Draw a ray diagram to show the formation of final image at least dista...
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- Draw a ray dioagram for the formation of an image by a reflecting tele...
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- Derive the expression for the equivalent focal length of a combination...
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- Deduce the relation 1/v-1/u=1/f for a concave lens.
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- What is astigmatism? How it can be removed?
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- A man stands on vertical tower of height 20m. Calculate the distance u...
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- Draw the ray diagram for the formation of image by a compound microsco...
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- The objective lens and eye piece lens of a Compound microscope have fo...
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- Establish the lens maker's formula for a biconvex lens.
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- Two identical equiconvex lenses of refractive index 3/2 and focal leng...
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- Draw the ray diagram to show the location of the principal focus of a ...
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- A square loop of side 3cm is placed 25 cm away from a Convex mirror of...
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- A convex lens and a Concave lens of focal length 0.1m each are placed ...
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- You are given a prism in which the two refracting surfaces are at 90^@...
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- You are given a prism in which the two refracting surfaces are at 90^@...
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- A miopic person uses a lens of power -1.25D. What is his farpoint?
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