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Question 1 of 15
1. Question
Light is incident at an angle i on glass slab. The reflected ray is completely polarised. The angle of refraction is
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Question 2 of 15
2. Question
In Vacuum to travel distance ‘d’ light takes time ‘t’ and in medium to travel distance ‘5d’ it takes time ‘T’ , The critical angle of medium is
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Question 3 of 15
3. Question
A light is travelling from air into a medium. Velocity of light in a medium is reduced to 0.75 times the velocity in air. Assume that angle of incidence ‘i’ is very small, the deviation of ray is
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Question 4 of 15
4. Question
For the same angle of incidence, the angles of refraction in media ‘P’, ‘Q’ , ‘R’ And ‘S’ are 50°, 40° , 30° , 20° respectively. The speed of light is minimum in medium
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Question 5 of 15
5. Question
The polarising angle for transparent medium is θ , ‘v’ is the speed of light in that medium. Then the relation between θ and v is
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Question 6 of 15
6. Question
When the same monochromatic ray of light travels through glass slab and through water , the number of waves in glass slab of thickness 6cm is same as in water column of height 7cm. If refractive index of glass is 1.5 then refractive index of water is
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Question 7 of 15
7. Question
When light enters glass from vacuum then the wavelength of lights
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Question 8 of 15
8. Question
The smallest angular or linear separation between the two points objects at which they appear to just resolved is known as
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Question 9 of 15
9. Question
If star emitting yellow light is accelerated towards earth , then to an observer on earth it will appear
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Question 10 of 15
10. Question
The tormaline crystal
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Question 11 of 15
11. Question
What is the shape and magnetic nature of permanganate ion ?
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Question 12 of 15
12. Question
Which one of the following elements has highest second ionization enthalpy ?
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Question 13 of 15
13. Question
Which among the following elements belong to first inner transition series ?
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Question 14 of 15
14. Question
Which one of the following elements is present in an alloy , Elecktron in combination with zinc ?
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Question 15 of 15
15. Question
Which among the following elements has completely filled 4f subshells?
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