Light & Optics (AP (Advanced Placement) Physics(B-C)): Questions 1 - 4 of 69

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Question number: 1

» Light & Optics

MCQ▾

Question

If a light beam passing through two slits separated by and the third bright line on a screen is formed at an angle of relative to the incident beam, then what is the wavelength of light?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 2

» Light & Optics

MCQ▾

Question

Light travels from a medium with an index of refraction to a medium with an index of refraction , which is greater than . Which of the following must be true for total internal reflection to occur at this interface?

Choices

Choice (5) Response

a.

The incident angle must be greater than .

b.

Total internal reflection is not possible in this situation.

c.

The incident angle must be greater than .

d.

The incident angle must be less than .

e.

None of the above

Question number: 3

» Light & Optics

MCQ▾

Question

A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be . If the refracting angle of the prism is , then the refractive index of the prism is:

Choices

Choice (5) Response

a.

1.44

b.

1.33

c.

1.55

d.

1

e.

None of the above

Question number: 4

» Light & Optics

MCQ▾

Question

A microscope has total magnification . The magnification produced by objective is . If least distance of distance vision is , then focal length of the eyepiece is:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

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