1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The angular speed of a flywheel is increased from 600 rpm to 1200 rpm in 10 s . The number of revolutions completed by the flywheel during this time is:

A

900

B

600

C

150

D

300

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

For a simple pendulum, having time period $T$, the variation of kinetic energy (K.E.) with time $(t)$ is represented by:

A

NEET 2026 Physics - Oscillations Question 1 English Option 1

B

NEET 2026 Physics - Oscillations Question 1 English Option 2

C

NEET 2026 Physics - Oscillations Question 1 English Option 3

D

NEET 2026 Physics - Oscillations Question 1 English Option 4

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

A resistor is connected to a battery of 12 V emf and internal resistance $2 \Omega$. If the current in the circuit is 0.6 A , the terminal voltage of the battery is:

A

10 V

B

1.2 V

C

12 V

D

10.8 V

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

A flask contains argon and chlorine in the ratio of $2: 1$ by mass. The temperature of the mixture is $27^{\circ} \mathrm{C}$. The ratio of root mean square speed of the molecules of the two gases $\left(\frac{V_{\mathrm{rms}}^{\mathrm{Ar}}}{V_{\mathrm{rms}}^{\mathrm{Cl}}}\right)$ is:

(Atomic mass of argon $=40.0 \mathrm{u}$ and molecular mass of chlorine $=70.0 \mathrm{u}$ )

A

$\frac{\sqrt{7}}{2}$

B

$\frac{7}{4}$

C

$\frac{7}{2}$

D

$\frac{2}{\sqrt{7}}$