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We do not use spectrometer of visible li...

We do not use spectrometer of visible light to study the spectral distribution of radiation of blackbody because

A

sensitivity is decreased by it.

B

infrared lines are very close.

C

visibility of infrared rays is high.

D

glass prism and lens absorb infrared rays

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -Evaluation test
  1. We do not use spectrometer of visible light to study the spectral dist...

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  2. The power radiated by a black body is P, and it radiates maximum energ...

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  3. One mole of an ideal gas is kept enclosed under a light piston (area =...

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  4. A metallic pipe with nut and bolt assembly is shown in the figure. as ...

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  5. Variation of heat of reaction with temperature is known as

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  6. A black pattern on a porcelain bowl appears brighter than the rest of ...

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  7. A boiler heats water flowing at the rate of 2.0 litres per minute from...

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  8. For an ideal gas,

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  9. A reversible engine converts one third input into work. When the tempe...

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  10. Two bodies A and B having same surface areas have emmissivities of 0.0...

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  11. Two different adiabatic curves for the same gas intersect two isotherm...

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  12. A given quantity of a ideal gas is at pressure P and absolute tempera...

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  13. A given quantity of a ideal gas is at pressure P and absolute tempera...

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  14. Real gases obey ideal gas laws more closely at

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  15. A flask is filled with 10 g of a gas at 20 °C and then heated to 50 °C...

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  16. One mole of an ideal gas at temperature T was cooled isochorically til...

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  17. Assertion: Equal volumes of monatomic and polyatomic gases are adiabat...

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  18. A certain mass of an ideal gas undergoes a reversible isothermal compr...

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  19. An ideal Black-body at room temperature is thrown into a furnace. It i...

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