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The speed of the light in a diamong is 1...

The speed of the light in a diamong is 1, 24,000 km/s. Find the refractive index of diamond if the speed of light in air is 3,00,000 km/s. `(AS_(1))`

Text Solution

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The correct Answer is:
2.42
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Knowledge Check

  • Refractive index of diamond is 2. Speed of ligh in it is ...... Cm // s.

    A
    `6xx10^(10)`
    B
    `3.0 xx 10^(10)`
    C
    `2 xx 10^(10)`
    D
    `1.5 xx 10^(10)`

  • If the speed of light in a medium is 200 xx 10^6" m"//"s" , then refractive index of medium is ...... [C = 3 xx 10^8" m"//"s"]

    A
    1
    B
    1.2
    C
    1.33
    D
    1.5

  • Green light of wavelength 5460 Å is incident on an air and glass interface. If refractive index of glass is 1.5, then wavelength of light in glass would be .....

    A
    5460 Å
    B
    4860 Å
    C
    3640 Å
    D
    2100 Å

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    A ball is projected vertically up with a speed of 50 m/s. Find the maximum height , the time to reach the maximum height, and the speed at the maximum height (g=10 m//s^(2)) (AS_(1))

    In Young's double slit experiment the slits, S_(1) & S_(2) are illuminated by a parallel beam of light of wavelength 4000 Å from the medium of refractive index n_(1)=1.2 A thin film of thickness 1.2 mum and refractive index n=1.5 is placed infrom of S_(1) perpedicular to path of light. the refractive index of medium between plane of slits & screen is n_(2)=1.4 if the light coming from the film and S_(1)&S_(2) have equal intensities I then intensity at geometrical centre of the screen O is

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