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Laser light of wavelength 630 mm inciden...

Laser light of wavelength 630 mm incident on a pair of slits produces as interference pattern in which the bright fringes are separated by 8.1 mm. A second light produces an interference pattern in which the fringes are separated by 7.2 mm. Calculate the wavelength of the second light.

A

`420` nm

B

`560` nm

C

`810` nm

D

`980` nm

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The correct Answer is:
B
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Laser light of wavelength 640 nm incident on a pair of slits produces an interference patterns in which the bright fringes are separated by 8.1 mm. A second light produces an interference pattern in which the fringes and separated by 7.2 mm. Calculate the wavelength of the second light.

Laser light of wavelength 630 nm incident on a pair of slits produces an interference pattern in which the bright fringes are separated by 8.1 mm. A second laser light produces an interference pattern in which the fringes are separated by 7.2 mm. Calculate the wavelength of the second light.

Laser light of wave length 600 nm incident on a pair of slits produces an interference pattern in which the bright fringes are separated by 8mm. A second light produces an interference pattern in which the fringes are separated by 12 mm. Calculate the wavelength of the second light.

Laser light of wavelength 630 nm incident on a pair of slits produces an interference pattern where bright fringes are separated by 8.1 mm . Another light produces the interference pattern, where the bright fringes are separated by 7.2 mm . Calculate the wavelength of second light.

In Young's double-slit experiment, monochromatic light of wavelength 630 nm illuminates the pair of slits prodcues an interference pattern in which two consecutive bright fringes are separated by 8.1 mm. Another source of monochromatic light produces the interference pattern in which the two consecutive bright fringes are separated by 7.2 mm. Find the wavelength of light for the second source. What is the effect on the interference fringes if the monochromatic source is replaced by a source of white light?

In the interference pattern all the fringes are of equal emit light of

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