4 June 2013

Physics Karachi Board XI [Lenses] Online Test 1

Physics XI Karachi Board [Lenses] MCQS Online Test - 1

Physics Aptitude Test. 17 Questions from Chapter 10 Lenses.
Q1. The ratio between the image height to the object height is called
Q2. They are used in searchlights and spotlights
Q3. The reciprocal of the focal length of a lens (expressed in meter) is called
Q4. Diopter is a unit of
Q5. One diopter is the power of a lens of
Q6. The power of convex lens is taken as
Q7. The power of the lens is taken as
Q8. A simple convex lens acts as a
Q9. A compound microscope consists of
Q10. In compound microscope objective is of
Q11. Magnification power of a compound microscope is given by the equation
Q12. The power of a lens of focal length 100 cm is
Q13. The final image produced by a compound microscope is
Q14. It is used to see a clear and distinct Image of an object that is at a very far of distance from the observer
Q15. A simple astronomical telescope extensively consist of
Q16. In astronomical telescope the objective is the convex lens of
Q17. The length of the telescope in normal adjustments
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