1
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two equally charged small balls placed at a fixed distance experience a force ' $F$ '. A similar uncharged ball after touching one of them is placed at the middle point between the two balls. the force experienced by this ball is

A
$\frac{\mathrm{F}}{2}$
B
F
C
2 F
D
4 F
2
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

An a.c. source of frequency ' f ' is connected to a circuit containing an inductance ' $L$ ' and resistance ' R ' in series. The impedance of this circuit is

A
$\sqrt{\mathrm{R}^2+2 \pi \mathrm{fL}^2}$
B
$\sqrt{\mathrm{R}^2+\mathrm{L}^2}$
C
$\mathrm{R}+2 \pi \mathrm{fL}$
D
$\sqrt{\mathrm{R}^2+4 \pi^2 \mathrm{f}^2 \mathrm{~L}^2}$
3
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-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
A
$\frac{2 \lambda}{3}$
B
$\frac{4 \lambda}{3}$
C
$\frac{16 \lambda}{81}$
D
$\frac{81 \lambda}{16}$
4
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-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

A
$\frac{3}{2} y$
B
$\frac{2}{3} y$
C
$3 y$
D
$\frac{\mathrm{y}}{3}$
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