MHT CET 2024 11th May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

If the potential difference used to accelerate electrons is doubled. By what factor does the deBroglie wavelength $(\lambda)$ associated with the electrons change?

$\lambda$ is increased to $\sqrt{2}$ times.

$\lambda$ is increased to $\frac{1}{\sqrt{2}}$ times.

$\lambda$ is decreased to $\frac{1}{\sqrt{2}}$ times.

$\lambda$ is decreased to $\sqrt{2}$ times.

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

In an adiabatic process for an ideal gas, the relation between the universal gas constant ' $R$ ' and specific heat at constant volume ' $\mathrm{C}_{\mathrm{v}}$ ' is $R=0.4 C_v$. The pressure ' $P$ ' of the gas is proportional to the temperature ' $T$ ', of the gas as $T^k$. The value of constant ' K ' is

$\frac{7}{2}$

$\frac{7}{3}$

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

A p-n junction diode cannot be used

as a rectifier.

for converting light energy to electrical energy.

for getting light radiation.

for increasing the amplitude of an a.c. signal.

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

A particle performs linear S.H.M. at a particular instant, velocity of the particle is ' $u$ ' and acceleration is ' $\mathrm{a}_1$ ' while at another instant velocity is ' V ' and acceleration is ' $a_2$ ' $\left(0

$\frac{v^2-u^2}{a_1-a_2}$

$\frac{v^2+u^2}{a_1+a_2}$

$\frac{u^2+v^2}{a_1-a_2}$

$\frac{u^2-V^2}{a_1+a_2}$

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