13 Beyond the critical angle, a ray of light moving from dense to rare medium suffers -----------
diffraction
polarization
total internal reflection
total internal refraction
14 The physical phenomenon which accounts for apparent depth of a pool of water is called
waves
polariztion
diffraction
refraction
15 The ------------ of the eye plays an equivalent role of the screen in optical experiments
lens
iris
optic nerve
retina
1
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2016-08-22T04:39:40-0400
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