NEET Physics MCQs

📑 Chapter:Motion In A Straight Line

🎯Topic:Avg Speed And Avg Velocity

⚡ Time Required :3 mins

🔄Ncert Concepts :Average Velocity, Displacement, Circular Motion

2.

A particle moves in a circular path of radius R. It completes one and a half revolutions. What is the ratio of the distance traveled to its displacement?

A

$2\pi$

B

$3\pi$

C

$\pi$

D

$3\pi / 2$

Question Tags

📑 Chapter:Motion In A Straight Line

🎯Topic:Distance And Displacement

⚡ Time Required :2 mins

🔄Ncert Concepts :Distance, Displacement, Circular Motion

3.

A car is moving with uniform speed on a banked road inclined at an angle $heta$ . The coefficient of static friction between the tyres and road is $\mu_s$ . What is the maximum speed with which the car can negotiate the curve without skidding, if the radius of the curve is $R$ ?

A

$v_{max} = \sqrt{Rganheta}$

B

$v_{max} = \sqrt{\mu_s Rg}$

C

$v_{max} = \sqrt{Rg\frac{\sinheta + \mu_s\cosheta}{\cosheta - \mu_s\sinheta}}$

D

$v_{max} = \sqrt{Rg\frac{\cosheta + \mu_s\sinheta}{\sinheta - \mu_s\cosheta}}$

Question Tags

📑 Chapter:Laws of Motion

🎯Topic:Laws Of Friction

⚡ Time Required :4 mins

🔄Ncert Concepts :Laws of Friction, Circular Motion, Banking of Roads

4.

A block of mass $m$ is placed on a rough rotating disc at a distance $r$ from the center. The coefficient of static friction is $\mu_s$ . What is the maximum angular speed $\omega$ for which the block will not slip?

A

$\omega_{max} = \sqrt{\mu_s gr}$

B

$\omega_{max} = \frac{\mu_s g}{r}$

C

$\omega_{max} = \sqrt{\frac{\mu_s g}{r}}$

D

$\omega_{max} = \sqrt{\frac{r}{\mu_s g}}$

Question Tags

📑 Chapter:Laws of Motion

🎯Topic:Laws Of Friction

⚡ Time Required :2 mins

🔄Ncert Concepts :Laws of Friction, Circular Motion

5.

A particle of mass $m$ moves under the influence of a central force given by $F(r) = -k/r^3$ . If the particle's orbit is circular with radius $r_0$ , its time period of revolution is:

A

$2\pi m r_0^2 / \sqrt{k}$

B

$\pi m r_0^2 / \sqrt{k}$

C

$2\pi \sqrt{m r_0^4 / k}$

D

$\pi \sqrt{m r_0^4 / k}$

Question Tags

📑 Chapter:Units And Measurement

🎯Topic:Deriving Equations

⚡ Time Required :3 mins

🔄Ncert Concepts :Central Force Motion, Circular Motion, Gravitation

6.

A block of mass $m$ is placed on a horizontal rotating disc at a distance $r$ from the center. The coefficient of static friction between the block and the disc is $\mu_s$ . What is the maximum angular velocity of the disc so that the block does not slide?

A

$\mu_s g r$

B

$\frac{\mu_sg}{r}$

C

$\sqrt{\frac{\mu_sg}{r}}$

D

$\sqrt{\mu_s g r}$

Question Tags

📑 Chapter:Laws of Motion

🎯Topic:Force