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KCET2011PhysicsRay Optics

Wavelength of given light waves in air and in a medium are 6000 Å and 4000 Å respectively. The critical angle is

Options

  1. A⁻¹ ( 2 3 )
  2. B⁻¹ ( 3 2 )
  3. C⁻¹ ( 2 3 )
  4. D⁻¹ ( 3 2 )

Correct answer

C. ⁻¹ ( 2 3 )

Step-by-step solution

aligned 1 C &= ₁ ₂ 1 C &= 6000 3000 1 C &= 6 3 = 3 2 C &= 2 3 C &= ⁻¹ ( 2 3 ) aligned

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