1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The average velocity of a particle performing S.H.M. in one complete vibration is ( $\mathrm{A}=$ amplitude of S.H.M., $\omega=$ angular velocity)

A

zero

B

$\mathrm{A} \omega$

C

$\frac{\mathrm{A} \omega}{2}$

D

$\frac{\mathrm{A} \omega^2}{2}$

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The range of voltmeter of resistance $300 \Omega$ is 5 V . The resistance required to be connected to convert it into an ammeter of range 5 A is nearly

A

$1 \Omega$ in series

B

$1 \Omega$ in parallel

C

$0.1 \Omega$ in series

D

$0.1 \Omega$ in parallel

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The value of acceleration due to gravity (g) becomes $\left(\frac{g}{3}\right)$ at height ' $h$ ' above the earth's surface. If ' R ' is the radius of earth, the height h will be equal to

A

$\sqrt{3} \mathrm{R}$

B

3 R

C

$(\sqrt{3}-1) \mathrm{R}$

D

$(\sqrt{3}+1) R$

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A bicycle wheel of diameter ' $D$ ' has ' $N$ ' number of spokes. Wheel is rotating at the rate of ' $x$ ' revolutions per minute, perpendicular to the horizontal component of earth's magnetic field ' $\mathrm{B}_{\mathrm{H}}$ '. The e.m.f. induced between the rim and the centre of the wheel will be

A

$\frac{\mathrm{B}_{\mathrm{H}} \pi \mathrm{Dx}}{120}$

B

$\quad \frac{\mathrm{B}_{\mathrm{H}} \pi \mathrm{Dx}}{240}$

C

$\frac{B_H \pi D^2 x}{240}$

D

$\quad \frac{\mathrm{B}_{\mathrm{H}} \pi \mathrm{D}^2 \mathrm{x}}{120}$