1
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
In LCR series circuit at resonance
A
the current is minimum.
B
the impedance is maximum.
C
the current leads the voltage by $\dfrac{\pi}{2}$
D
the current and voltage are in phase.
2
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A transformer has 120 turns in the primary coil and carries 5A current. Input power is one kilowatt. To have 560 V output, the number of turns in secondary coil will be
A
$168$
B
$200$
C
$336$
D
$400$
3
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
In telescopes for a given wavelength, the objectives with large aperture are used for
A
greater resolution.
B
reducing lens aberration.
C
greater magnification.
D
ease of manufacture.
4
MHT CET 2026 17th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
A lens of refractive index '$\mu$' has focal length '$f$'. When the lens is immersed in a liquid of refractive index '$\mu_0$', its focal length becomes '$f_0$'. Then '$f_0$' is given by
A
$\dfrac{(\mu_0-\mu)f}{\mu(\mu_0-1)}$
B
$\dfrac{\mu(\mu_0-1)f}{(\mu_0-\mu)}$
C
$\dfrac{(\mu-\mu_0)f}{\mu_0(\mu-1)}$
D
$\dfrac{\mu_0(\mu-1)f}{(\mu-\mu_0)}$

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