A) converging lens to form a real image. B) converging lens to form an imaginary image. C) diverging lens to form a real image. D) diverging lens to form an imaginary image. A) converging lens to form a real image. B) converging lens to form an imaginary image. C) diverging lens to form a real image. D) diverging lens to form an imaginary image.

A binary star system in the constellation Orion has an angular separation between the stars of 4×10−5 radians.Assuming a wavelength of 500 nm,what is the smallest aperture (diameter)telescope that will just resolve the two stars? (1 nm = 10−9 m)

A) 1.2 cm B) 1.5 mm C) 1.5 cm D) 4.8 cm E) 20 mm A) 1.2 cm B) 1.5 mm C) 1.5 cm D) 4.8 cm E) 20 mm

Exam 25: Optical Instruments

Light with a wavelength of 410 nm shines through a lens with an aperture diameter of 0.60 cm.Use Rayleigh's criterion to determine the limiting angle of resolution.(1 nm = 10−⁹ m)

(Multiple Choice)

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Question 21

Why is it easier to see fine print in brighter light than in dimmer light?

(Multiple Choice)

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Question 22

Tripling the focal length of a telephoto lens,while holding aperture size constant,will change the light intensity admitted to the film by what factor?

(Multiple Choice)

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Question 23

A person has a near point of 40 cm and a far point of 1.0 m.When looking through lenses of focal length -1.0 m,what is the nearest an object can be to be seen clearly?

(Multiple Choice)

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Question 24

I take two pictures of my dog Kaycee.I use the same film and level of illumination for both pictures,but I quadruple the f-number for the second picture.By what factor will the required time of exposure change if the film is to receive the same total light energy?

(Multiple Choice)

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Question 25

When using an eyepiece of focal length f,the Yerkes refracting telescope gives a magnification of 800.What focal length eyepiece would yield a magnification of 500?

(Multiple Choice)

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Question 26

The Michelson interferometer can make precise length measurements using which of the following phenomena?

(Multiple Choice)

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Question 27

An astronomical telescope has an objective lens with focal length f_o and has an eyepiece with focal length f_e.A second telescope has objective and eyepiece lenses with quadruple the focal length of the first telescope.Which telescope gives the greater magnification and by what factor?

(Multiple Choice)

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Question 28

A camera uses a

(Multiple Choice)

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Question 29

A thin lens of focal length 20 cm is placed in contact with a 40-diopter thin lens.What is the power of the combined lenses?

(Multiple Choice)

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Question 30

A magnifying lens of power d (in diopters)gives what magnification when the viewing eye is relaxed assuming a near point of 25 cm?

(Multiple Choice)

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Question 31

A magnifying lens with a focal length of 30.0 cm has what maximum magnification? (Assume the near point is 25 cm).

(Multiple Choice)

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Question 32

Doubling the focal length of the objective lens of a compound microscope will change the magnification by what factor?

(Multiple Choice)

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Question 33

A telescope is used to view two small lights separated by 2.0 cm at a distance of 500 m.What minimum objective lens diameter is needed to just resolve these objects if their wavelength is 656 nm?

(Multiple Choice)

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Question 34

If the objective lens of a compound microscope is replaced with a lens of double the focal length while the eyepiece also has its focal length doubled,what will happen to the overall magnification of the microscope?

(Multiple Choice)

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Question 35

Changing the f-number of a camera by three stops by going from f/11 to f/32 will change the intensity of the light hitting the film by a factor of

(Multiple Choice)

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(75)

Question 36

A binary star system in the constellation Orion has an angular separation between the stars of 4×10−⁵ radians.Assuming a wavelength of 500 nm,what is the smallest aperture (diameter)telescope that will just resolve the two stars? (1 nm = 10−⁹ m)

(Multiple Choice)

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(83)

Question 37

A compound microscope has an eyepiece that

(Multiple Choice)

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(74)

Question 38

Two thin lenses in combination are placed in contact with each other along a common axis.They have powers of 70 and -20 diopters,respectively.What is their combined power?

(Multiple Choice)

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Question 39

What is the resolving power of a diffraction grating that is capable of just distinguishing between two wavelengths of 568.20 nm and 569.60 nm? (1 nm = 10−⁹ m)

(Multiple Choice)

4.9/5

(74)

Question 40

Showing 21 - 40 of 83

Exam 25: Optical Instruments

Light with a wavelength of 410 nm shines through a lens with an aperture diameter of 0.60 cm.Use Rayleigh's criterion to determine the limiting angle of resolution.(1 nm = 10−9 m)

Why is it easier to see fine print in brighter light than in dimmer light?

Tripling the focal length of a telephoto lens,while holding aperture size constant,will change the light intensity admitted to the film by what factor?

A person has a near point of 40 cm and a far point of 1.0 m.When looking through lenses of focal length -1.0 m,what is the nearest an object can be to be seen clearly?

I take two pictures of my dog Kaycee.I use the same film and level of illumination for both pictures,but I quadruple the f-number for the second picture.By what factor will the required time of exposure change if the film is to receive the same total light energy?

When using an eyepiece of focal length f,the Yerkes refracting telescope gives a magnification of 800.What focal length eyepiece would yield a magnification of 500?

The Michelson interferometer can make precise length measurements using which of the following phenomena?

An astronomical telescope has an objective lens with focal length fo and has an eyepiece with focal length fe.A second telescope has objective and eyepiece lenses with quadruple the focal length of the first telescope.Which telescope gives the greater magnification and by what factor?

A camera uses a

A thin lens of focal length 20 cm is placed in contact with a 40-diopter thin lens.What is the power of the combined lenses?

A magnifying lens of power d (in diopters)gives what magnification when the viewing eye is relaxed assuming a near point of 25 cm?

A magnifying lens with a focal length of 30.0 cm has what maximum magnification? (Assume the near point is 25 cm).

Doubling the focal length of the objective lens of a compound microscope will change the magnification by what factor?

A telescope is used to view two small lights separated by 2.0 cm at a distance of 500 m.What minimum objective lens diameter is needed to just resolve these objects if their wavelength is 656 nm?

If the objective lens of a compound microscope is replaced with a lens of double the focal length while the eyepiece also has its focal length doubled,what will happen to the overall magnification of the microscope?

Changing the f-number of a camera by three stops by going from f/11 to f/32 will change the intensity of the light hitting the film by a factor of

A binary star system in the constellation Orion has an angular separation between the stars of 4×10−5 radians.Assuming a wavelength of 500 nm,what is the smallest aperture (diameter)telescope that will just resolve the two stars? (1 nm = 10−9 m)

A compound microscope has an eyepiece that

Two thin lenses in combination are placed in contact with each other along a common axis.They have powers of 70 and -20 diopters,respectively.What is their combined power?

What is the resolving power of a diffraction grating that is capable of just distinguishing between two wavelengths of 568.20 nm and 569.60 nm? (1 nm = 10−9 m)

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Light with a wavelength of 410 nm shines through a lens with an aperture diameter of 0.60 cm.Use Rayleigh's criterion to determine the limiting angle of resolution.(1 nm = 10−⁹ m)

An astronomical telescope has an objective lens with focal length f_o and has an eyepiece with focal length f_e.A second telescope has objective and eyepiece lenses with quadruple the focal length of the first telescope.Which telescope gives the greater magnification and by what factor?

A binary star system in the constellation Orion has an angular separation between the stars of 4×10−⁵ radians.Assuming a wavelength of 500 nm,what is the smallest aperture (diameter)telescope that will just resolve the two stars? (1 nm = 10−⁹ m)

What is the resolving power of a diffraction grating that is capable of just distinguishing between two wavelengths of 568.20 nm and 569.60 nm? (1 nm = 10−⁹ m)