4 June 2013

Physics Karachi Board XI [Nature of Light] Online Test 2

Tuesday, June 04, 2013 Posted by

Physics XI Karachi Board [Nature of Light] MCQS Online Test - 2

Physics Aptitude Test. 18 More Questions from Chapter 09 Nature of Light.
Q1. In young’s double slits experiment, the condition for constructive interference is
Q2. In young’s double slits experiment the fringe width (or fringe spacing) is equal to
Q3. The positions of bright fringes in young’s double slit experiment are given by
Q4. The distance between two consecutive bright fringes (or dark fringes) in young’s double slit experiment is called
Q5. Michelson interferometer is an instrument used to measure
Q6. The fringes In Michelson interferometer are formed due to
Q7. Which one of the following has greater frequency?
Q8. One degree Angstrom is
Q9. In an interference pattern
Q10. When a beam of white light passes through a prism, it splits into different colours, the phenomenon is called
Q11. When a ray of light enters into glass from air
Q12. When a ray of light passes from rarer to denser medium, is suffers a phase change of
Q13. To obtain interference of light waves
Q14. The condition for constructive interference is that the path difference between the two waves is equal to
Q15. According to Bragg’s law.
Q16. Which one of the following cannot be polarized
Q17. Polarization can take place in
Q18. Wavelength of X-rays is of the order of
More 18 Questions : Nature of Light
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