AP (Advanced Placement) Physics(B-C): Questions 532 - 534 of 920

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Question number: 532

» Atomic & Nuclear Physics

MCQ▾

Question

In the Bohr model of the atom, if the energy of an electron in the lowest energy state (ground state) is , what is the energy of an electron in energy ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 533

» Gravitation and Circular Motion

MCQ▾

Question

Studies of traffic accidents on a particular curve lead to measures to reduce the number of vehicles going off the curve when the road is slick. To reducing such accidents, a banked curve created such that it is higher on the outside of the curve. The angle of banked path with horizontal is , and also assume that the road is frictionless. If a car of mass is moving through this curved path with constant velocity, then what is the centripetal force acting on the car?

(Let )

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 534

» Light & Optics

MCQ▾

Question

Which of the following statements describes the eye of a myopic (nearsighted) person and a possible solution?

Choices

Choice (5) Response

a.

In nearsightedness, light passing through the eye’s lens is focused in front of the retina, that is, the focal length of the lens is less than the distance from the lens to the retina. A convex lens will increase the focal length to correct it.

b.

In nearsightedness, light passing through the eye’s lens is focused behind the retina, that is, the focal length of the lens is more than the distance from the lens to the retina. A concave lens will decrease the focal length to correct it.

c.

In nearsightedness, light passing through the eye’s lens is focused behind the retina, that is, the focal length of the lens is more than the distance from the lens to the retina. A convex lens will increase the focal length to correct it.

d.

In nearsightedness, light passing through the eye’s lens is focused in front of the retina, that is, the focal length of the lens is less than the distance from the lens to the retina. A concave lens will increase the focal length to correct it.

e.

Question does not provide sufficient data or is vague

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