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Which of the following statements is cor...

Which of the following statements is correct?

A

Observations like Photoelectric effect and Blackbody radiations could not be explained by particle nature of electromagnetic radiations

B

UV rays and IR rays have the same frequency

C

Bohr's model is not valid for `Li^+` ion

D

None of these

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RESONANCE ENGLISH-DPP-QUESTIONS
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  2. The energies E1 and E2 of two radiations are 25 eV and 50 eV respectiv...

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  3. Which of the following statements is correct?

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  4. The energy required to remove an electron from metal X is E = 3.31 xx ...

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  5. The wavelength (lambda) of monochromatic light coming from some light ...

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  6. For which of the following species, Bohr theory doesn't apply

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  7. If radius of second stationary orbit (in Bohr's atom) is R then radius...

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  8. The radius of the first orbit of H-atom is r. then the radius of the f...

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  9. The number of Br^- Ions in 2.1 g CaBr2 is [NA=6xx10^23]

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  10. If the mass of 10^22 molecules of a hydrocarbon is about 1.2 g, then t...

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  11. The value of R will be maximum for which of the following gases :

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  12. Volume occupied by an ideal gas at one atmospheric pressure and 0^@C i...

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  13. Which of the following exert highest pressure at 300 K and 4 L volume ...

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  14. Match the List with the appropriate List Il and select the correct ans...

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  15. Select the correct option

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  16. 11.2 litre of a gas at STP weighs 14 g The gas could not be

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  17. x g Urea (NH2CONH2) contains y total number of atoms 4x g Acetic acid ...

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  18. Air in a room is separated in two regions in volume ratio of 4: 1 by a...

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  19. Find the average molar mass of a gaseous mixture in g/mole, which cont...

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  20. The triad of nuclei that is isotonic is

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