The net deviation produced by a rectangular glass slab is …………………..
A) equal to angle of incidence
B) greater than angle of incidence
C) less than angle of incidence
D) zero always
1 Answers
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Find the mean deviation about the mean for the following data : Find the mean deviation about the mean for the following data : 7,8,4,13,9,5,16,18
Correct Answer - 4.25
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Explain the following terms with respect to precise measurement : i. Absolute deviation ii. Mean absolute deviation iii. Relative deviation
i. Absolute deviation : An absolute deviation is the modulus of the difference between an observed value and the arithmetic mean for the set of several measurements made in the same...
2 Answers 2 views
The refractive index of glass for light going from aif’to glass is 3/2. The refractive index of air for light going from glass to air ………………….
Correct option is C) 4/6
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The light ray that falls perpendicular to one side of the glass slab surface comes out……………………..
B) without any deviation
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When a glass slab is introduced in the path of a light ray the number of times the light ray undergoes refraction are ……………….
Correct option is A) 2 times
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Refractive index of the glass slab =
C) \(\frac{Thickness \,of \,the \,glass \,slab}{Thickness \,of\, the \,glass \,slab\, – \,verticalshift}\)
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The angle of deviation produced by the glass slab
Correct option is A) 0°
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Raju is doing an experiment with the glass slab. He focussed the light towards the glass slab at an angle 30°.
Correct option is A) 30°
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Ramu placed a rectangular glass slab over printed letters. The letters appears while ………………. viewing through a glass slab.
B) nearer as its original position
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If the thickness’ of the glass slab increases then the refractive index of the glass slab …………………
C) remains same
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