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Find the wavelength of electromagnetic w...

Find the wavelength of electromagnetic waves of frequency `6xx10^12Hz` in free space. Gives its two applications.

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The correct Answer is:
`5xx 10^(-5)m`
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FIITJEE-ELECTROMAGNETIC WAVE & WAVE OPTICS-ASSIGNMENT PROBLEMS(Subjective: Level-I)
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  2. State two applications of ultraviolet radiation.

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  3. Find the wavelength of electromagnetic waves of frequency 6xx10^12Hz i...

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  4. In a plane electromagnetic wave, magnetic field oscillates with amplit...

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  5. Find energy stored in a 30 cm length of a laser beam operating at 6 mW...

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  6. Electromagnetic travel in a medium at a speed of 2.0xx10^8ms^-1. The r...

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  7. If wavelength of an electromagnetic waves in free space is 0.075m, fin...

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  8. The charging current for a capacitor is 0.25 A. What is the displaceme...

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  9. The amplitude of the magnetic field part of harmonic electromagnetic w...

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  10. A charged particle oscillates about its mean equilibrium position with...

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  11. Give the ratio of velocities of light rays of frequencies 5 xx 10^(12)...

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  12. Find the ratio of frequencies of light waves of wavelengths 4000 A and...

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  13. What is Maxwell displacement current?

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  14. Light can travel in vacuum whereas sound can not do so. Why?

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  15. What are microwaves? Why are they used in radars?

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  16. What is the role of ozone layer in atmosphere?

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  17. Is the phenomenon of diffraction exhibited by all polarised, unpolaris...

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  18. Name the phenomenon which enable us to distinguish between transverse ...

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  19. Fraunhofer's lines are due to which phenomenon?

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  20. Both light and sound waves suffer diffraction. Why it is more difficul...

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