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All Emr travel with speed of light...

All Emr travel with speed of light

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Speed of light is

Which of the following travels with the speed of light ?

Assertion (A): X-ray travels with the speed of light. Reason (R): X-ray is an e.m. wave.

Assertion : X - rays travel with the speed of light. Reason : X - rays are electromagnetic rays.

Which of the following do not travel with the speed of light?

Assertion :– As light travels from one medium to another, the speed of light change. Reason :– Speed is the characteristic of medium so it will change.

What is the refractive index of a medium in which light travels with a speed of 2 xx 10^8 m//s ?

What is the refractive index of a medium in which light travels with a speed of 2 xx 10^(8)m//s ?

CENGAGE CHEMISTRY-ATOMIC STRUCTURE-Exercises True And False
  1. The azimuthal quantum, number (l) determines the energy level of the s...

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  2. e//m ratio of proton is greater than that of electron

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  3. p(x) orbital , is symetrical about x -axis

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  4. In an orbital, maximum two electron can be accomodated

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  5. psi^ (2) determine the probability of finding the electron in particul...

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  6. All Emr travel with speed of light

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  7. The s orbital is spectrical in shape

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  8. For ant two electrons in an atom, the set of all four quantum numkber...

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  9. Half-filled and fully-filled orbital orbitals are more stable

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  10. The orbital angular momentum of a p electron is equal to sqrt(2) (h)/(...

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  11. The position and velocity of an can be determined precisely

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  12. The magnetic quantum number gives the orientation of electron clouds ...

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  13. The electron distribution is sheprically symmerical for l = 2

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  14. For hydrogen atom , the energies of the sub-shells 4s ,4p, 4d and 4f a...

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  15. 3s orbital has three nodes

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  16. 4s orbitals has less energy than 3d orbital

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  17. The order of sheiding effect for different orbital is s gt p gt d gt ...

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  18. The 3g orbital is not possible

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  19. A single photon excites only a single electron

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  20. An electron can absorb more than one photon simultaneously .

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