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Two waves of intensity I undergo interfe...

Two waves of intensity I undergo interference. The maximum intensity obtained is

A

(a) `I//2`

B

(b) `I`

C

(c) `2I`

D

(d) `4I`

Text Solution

Verified by Experts

The correct Answer is:
D
For maximum intensity `varphi=0^@`
`:. I=I_1+I_2+2sqrt(I_1I_2)cos varphi`
`=I+I+2sqrt(I.I)cos0^@=4I`
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A2Z-WAVE OPTICS-Section D - Chapter End Test
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  2. The angle of incidence at which reflected light is totally polarized f...

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  3. The maximum number of possible interference maxima for slit-separation...

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  4. When an unpolarised light of inensity I0 is incident on a polarizing s...

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  5. A Young's double slit experiment uses a monochromatic source. The shap...

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  6. If I0 is the intensity of the principal maximum in the single slit dif...

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  7. Two beam of light having intensities I and 4I interfere to produce a f...

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  8. In Young's double slit experiment, the sepcaration between the slits i...

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  9. In a Young's double slit experiment, 12 fringes are observed to be for...

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  10. Yellow light is used in single slit diffraction experiment with slit w...

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  11. A double slit arrangement produces fringes for light lambda=5890Å whic...

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  12. In a wave, the path difference corresponding to a phase difference of ...

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  13. In a spectrometer experiment, monochromatic light is incident normally...

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  14. A beam of light of wavelength 600nm from a distant source falls on a s...

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  15. A parallel monochromatic beam of light is incident normally on a narro...

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  16. In Young's double slit experiment intensity at a point is ((1)/(4)) of...

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  17. A beam of electron is used YDSE experiment . The slit width is d when ...

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  18. Two coherent monochromatic light beams of intensities I and 4I are sup...

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  19. In the Young's double slit experiment, the spacing between two slits i...

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  20. In Young's double slit experiement, if L is the distance between the s...

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  21. In a Young's double slit experiment, the fringe width is found to be 0...

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