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Spectroscopy


7. 

Light emerging from a nicol prism has

Answer : C. Vibration in tow mutually perpendicular directions

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8. 

Raman effect is due to

Answer : A. Scattering of light

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9. 

In a standing wave the distance between a node and adjacent antinode is

Answer : C. lamda / 4

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10. 

X-rays cannot pass through

Answer : B. bone

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11. 

The phenomenon which cannot be explained by wave theory is

Answer : C. photo electric emission

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12. 

What is the principle of a thermopile?

Answer : B. Seebeck effect

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