MHT CET 2023 13th May Morning Shift | MHT CET Year Wise Previous Years Questions

The fundamental frequency of a sonometer wir carrying a block of mass '$$M$$' and density '$$\rho$$' is '$$n$$' Hz. When the block is completely immerse in a liquid of density '$$\sigma$$' then the new frequency will be

$$\mathrm{n}\left[\frac{\rho-\sigma}{\rho}\right]^{\frac{1}{2}}$$

$$\mathrm{n}\left[\frac{\rho-\sigma}{\sigma}\right]^{\frac{1}{2}}$$

$$\mathrm{n}\left[\frac{\rho}{\rho-\sigma}\right]^{\frac{1}{2}}$$

$$n\left[\frac{\sigma}{\rho-\sigma}\right]^{\frac{1}{2}}$$

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

A simple pendulum has a time period '$$T$$' in air. Its time period when it is completely immersed in a liquid of density one eighth the density of the material of bob is

$$\left(\sqrt{\frac{7}{8}}\right) \mathrm{T}$$

$$\left(\sqrt{\frac{5}{8}}\right) \mathrm{T}$$

$$\left(\sqrt{\frac{3}{8}}\right) \mathrm{T}$$

$$\left(\sqrt{\frac{8}{7}}\right) \mathrm{T}$$

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

Array of light is incident at an angle of incidence '$$i$$' on one surface of a prism of small angle $$\mathrm{A}$$ and emerges normally from the other surface. If the refractive index of the material of the prism is '$$\mu$$', then the angle of incidence is equal to

$$\frac{\mathrm{A}}{2 \mu}$$

$$\frac{\mathrm{A} \mu}{2}$$

$$\mathrm{A} \mu$$

$$\frac{\mathrm{A}}{\mu}$$

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