NEET Physics: Questions 376 - 379 of 2099
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
Question number: 376
» Kinematics » Uniform and Non-Uniform Motion
Question
A force of ( ) N acted on a body of mass 10 kg. The displacement after 10 sec, if it starts from rest, will be -
Choices
Choice (4) | Response | |
---|---|---|
a. | 10 m along with x axis | |
b. | 50 m along with x axis | |
c. | 70 m along with x axis | |
d. | None of the above |
Question number: 377
» Laws of Motion » Force and Inertia
Question
The roadway bridge over a canal is the form of an arc of a circle of radius 10 m. What is the minimum speed with which a car can cross the bridge without leaving contact with the ground at the highest point (g = 9.8 m/s ^{2})
Choices
Choice (4) | Response | |
---|---|---|
a. | 7.556 m/s | |
b. | 5.76 m/s | |
c. | 14.654 m/s | |
d. | 9.899 m/s |
Question number: 378
» Electrostatics » Electrostatic Potential Energy
Question
An electric dipole has the magnitude of its charge is q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is perpendicular to the direction of the field, the force on it and its potential energy are respectively
Choices
Choice (4) | Response | |
---|---|---|
a. | 2q. E and minimum | |
b. | are zero | |
c. | q. E and | |
d. | q. E and |
Question number: 379
» Rotational Motion » Angular Momentum
Question
Two rigid bodies A and B rotate with rotational kinetic energies E _{A} and E _{B} respectively. The moments of inertia of A and B about the axis of rotation are I _{A} and I _{B} respectively. If I _{A} = I _{B} /8 and E _{A} = 50 E _{B}, the ratio of angular momentum (L _{A}) of A to the angular momentum (L _{B}) of B is
Choices
Choice (4) | Response | |
---|---|---|
a. | 0. . 25 | |
b. | 2.5 | |
c. | 1.25 | |
d. | 5 |