Home
Class 11
PHYSICS
Light emitted by Krypton 86 is 6057.8021...

Light emitted by Krypton 86 is 6057.8021 Å. Calculate number of wavelengths of Krypton 86 in one metre. What is the order of magnitude ?

A

155316.13

B

1650763.73

C

652189.63

D

2348123.73

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise ET Self Evaluation Test|23 Videos

  • VECTORS

    ERRORLESS |Exercise Exercise|223 Videos

Similar Questions

Explore conceptually related problems

Express 1 light year in terms of metre. What is its order of magnitude?

Calculate the number of light minutes in one metre?

What is one astronomical unit ? Express it in metres . Write its order og magnitude .

The number of wavelengths of orange-red radia¬ tion of Kr-86 contained in one metre are_____.

In the interference pattern obtained in a biprism experiment, 5th order bright fringe is obtained at a point on the screen, when monochromatic light of wavelength 6000 Å is used. What is the order of the bright fringe produced at the samme point, if the light of wavelength 5000 Å is used?

Photo electrons are liberated by ultraviolet light of wavelength 3000 Å from a metalic surface for which the photoelectric threshold wavelength is 4000 Å . Calculate the de Broglie wavelength of electrons emitted with maximum kinetic energy.

A sheet of silver is illuminated by monochromatic ultraviolet light of wavelength = 1810 Å . What is the maximum energy of the emitted electron ? Threshold wavelength of silver is 2640 Å .

Earth is moving towards a fixed star with a velocity of 30 kms^(-1) . An oberver on earth observes a shift of 0.58 Å in wavelength of light coming from star. What is the actual wavelength of light emitted by star ?