The energy of one mole of photons of radiation, whose frequency is 4×10 14 Hz, is ___________?

Related Mcqs:

1. The earth absorb radiation in Visible range but emit radiation at the same rate in the:

   A. Ultra voilet
   B. Gamma rays
   C. Infrared
   D. All of these

   Submitted by: Said wali shah

2. 0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?

   A. Value of a
   B. Mass
   C. Atoms
   D. Both B and C

3. Which C-X bond has the highest bond energy per mole ?

   A. C-F
   B. C-C
   C. C-Br
   D. C-I

4. The relationship between energy of a photon of light and its frequency is given by________________?

   A. de-Broglie duel nature of matter
   B. Bohrs model
   C. Plancks Quantum theory
   D. Rutherfords atomic model

5. In which of the following type of reactions energy of reactant is greater than energy of product________________?

   A. endothermic
   B. exothermic
   C. unpredictable
   D. same

6. Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?

   A. Degenerate orbitals
   B. Generate orbitals
   C. Hybrid orbitals
   D. Zeeman orbitals

7. Energy of reactant higher than energy of product favours A. Endothermic_______________?

   B. Exothermic
   C. Moderate reaction
   D. No reaction

8. When the radiation of light is passed through a prism, it undergoes __________?

   A. reflection
   B. interference
   C. diffraction
   D. refraction

   Submitted by: Shumail Farhan

9. Which one of the following radiation has the longer wavelength?

   A. infra red
   B. visible
   C. x-ray
   D. ultra violet
   E. gamma rays

   Submitted by: Dr.Tassawer-e-Meran

10. What will be the pressure of 1 mole of an ideal gas maintained at 300 K and 250cm3 volume ?

    A. 98.5 atm
    B. 96.7 atm
    C. 95.8 atm
    D. 97.1 atm