1
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The path difference between two waves $\mathrm{Y}_1=\mathrm{a}_1 \sin \left(\omega \mathrm{t}-\frac{2 \pi \mathrm{x}}{\lambda}\right)$ and $\mathrm{Y}_2=\mathrm{a}_2 \cos \left(\omega \mathrm{t}-\frac{2 \pi \mathrm{x}}{\lambda}+\phi\right)$ is

A
$\frac{\lambda \phi}{2 \pi}$
B
$\frac{\lambda}{2 \pi}\left(\phi+\frac{\pi}{2}\right)$
C
$\frac{2 \pi}{\lambda}\left(\phi-\frac{\pi}{2}\right)$
D
$\frac{2 \pi}{\lambda} \phi$
2
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two equal point charges ' $q$ ' each exert a force ' $F$ ' on each other, when they are placed distance ' $x$ ' apart in air. When the same charges are placed distance ' $y$ ' apart in a medium of dielectric constant ' $k$ ', they exert the same force. The ratio of distance ' $y$ ' to ' $x$ ' is equal to

A
$\frac{1}{\sqrt{\mathrm{k}}}$
B
$\sqrt{\mathrm{k}}$
C
$\frac{\sqrt{\mathrm{k}}}{2}$
D
$\frac{2}{\sqrt{\mathrm{k}}}$
3
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An alternating voltage $\mathrm{v}=200 \sqrt{2} \sin (100 \mathrm{t})$ is connected to a $1 \mu \mathrm{~F}$ capacitor through an a. c. ammeter. The reading of the ammeter shall be

A
10 mA
B
20 mA
C
40 mA
D
80 mA
4
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Three charges $2 q,-q$ and $-q$ are located at the vertices of an equilateral triangle. At the centre of the triangle

A
the field is zero but potential is non-zero.
B
the field is non-zero but potential is zero.
C
both field and potential are zero.
D
both field and potential are non-zero.
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