Day 91: MH HSC Class 12 Physics

1. A.
   frequency increase
2. B.
   frequency decrease
3. C.
   wavelength decrease
4. D.
   frequency and wavelength increase

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1. A.
   $\ E = \frac{2\pi\epsilon_{0}\lambda}{Kr^{2}}$
2. B.
   $\ E = \frac{\epsilon_{0}\lambda}{2\pi Kr^{2}}$
3. C.
   $E = \frac{\lambda}{2\pi\epsilon_{0}Kr}$
4. D.
   $E = \frac{4\pi\epsilon_{0}\lambda}{Kr^{2}}$

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1. A.
   Young's modulus
2. B.
   bulk modulus
3. C.
   modulus of rigidity
4. D.
   Poisson's ratio

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