MHT CET 2025 25th April Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2025 25th April Evening Shift

MCQ (Single Correct Answer)

-0

A black body emits radiation of maximum intensity at wavelength ' $\lambda$ ' at temperature T K. Its corresponding wavelength at temperature 1.5 T K will be

$\frac{2 \lambda}{3}$

$\frac{4 \lambda}{3}$

$\frac{16 \lambda}{81}$

$\frac{81 \lambda}{16}$

MHT CET 2025 25th April Evening Shift

MCQ (Single Correct Answer)

-0

In a single slit diffraction experiment, slit of width ' $a$ ' is illuminated by light of wavelength ' $\lambda$ ' and the width of the central maxima in diffraction pattern is measured as ' $y$ '. When half of the slit is covered and illuminated by light of wavelength (1.5) $\lambda$, the width of the central maximum in diffraction pattern becomes

$\frac{3}{2} y$

$\frac{2}{3} y$

$3 y$

$\frac{\mathrm{y}}{3}$

MHT CET 2025 25th April Evening Shift

MCQ (Single Correct Answer)

-0

To protect the instrument from magnetic field, it is completely surrounded by

soft ferromagnetic substance.

diamagnetic substance only.

paramagnetic substance only.

both diamagnetic and paramagnetic substances.