AP (Advanced Placement) Physics(B-C): Questions 458 - 461 of 920

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 920 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 458

» Light & Optics

MCQ▾

Question

Which of the following statements is NOT true regarding electromagnetic waves?

Choices

Choice (5) Response

a.

They are formed from oscillating electric and magnetic fields.

b.

They can be polarized.

c.

They all travel at the same speed in a vacuum.

d.

Frequency is directly proportional to wavelength.

e.

None of the above

Question number: 459

» Electric Circuits

MCQ▾

Question

In a circuit, two resistors of resistance and are connected in series. If the power dissipated as heat by two resistors is , then how much current flowing through the circuit?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 460

» Electrostatics

MCQ▾

Question

The electric field at a point on - axis at , is , due to a small object, which is located at origin having net electric charge of . If charge of object becomes double and it is located at , then new electric field at point is:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 461

» Magnetic Field & Electromagnetism

MCQ▾

Question

A conducting wire carrying current of is placed in a uniform magnetic field of perpendicular to magnetic field. If the magnitude of the force acting on the wire is , then what is the length of wire?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

f Page