Explore the functionality of devices with Optical Instruments MCQs, focusing on lenses, microscopes, and telescopes. These Chapter 10 quizzes are ideal for 11th Class Physics students.
Which optical instrument is used to measure small angles with great precision?
a) Telescope
b) Microscope
c) Sextant
d) Spectrometer
The primary lens in a refracting telescope is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
Which optical instrument is used to view objects that are far away and make them appear closer?
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
The eyepiece in a microscope is also known as the:
a) Objective
b) Lens
c) Ocular
d) Prism
A spectrometer is used to measure and analyze:
a) Temperature
b) Pressure
c) Light spectra
d) Electric current
Which optical instrument is used to produce highly magnified images of small objects?
a) Telescope
b) Microscope
c) Sextant
d) Spectrometer
The convex lens in a microscope is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
What optical phenomenon is responsible for the rainbow colors produced by a prism?
a) Diffraction
b) Reflection
c) Dispersion
d) Refraction
In a refracting telescope, the objective lens forms:
a) A real image
b) A virtual image
c) A convex image
d) An inverted image
A compound microscope consists of two sets of lenses known as the objective lens and the:
a) Eyepiece
b) Lens
c) Ocular
d) Prism
Which optical instrument is used to measure the intensity of light?
a) Telescope
b) Microscope
c) Photometer
d) Spectrometer
The purpose of the eyepiece in a telescope or microscope is to:
a) Collect light
b) Focus the image
c) Magnify the image
d) Form an image
A telescope that uses lenses to gather and focus light is called a:
a) Refracting telescope
b) Reflecting telescope
c) Compound telescope
d) Radio telescope
The primary mirror in a reflecting telescope is called the:
a) Eyepiece
b) Objective
c) Prism
d) Speculum
A device used to measure the angle of an object with respect to the horizon is called a:
a) Theodolite
b) Tachometer
c) Telescope
d) Transducer
Which optical instrument is used to measure the refractive index of a substance?
a) Telescope
b) Microscope
c) Spectrometer
d) Refractometer
The lens in a microscope that is closest to the object being viewed is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
An optical instrument used to view objects that are not visible to the naked eye is a:
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
Which of the following optical instruments uses both lenses and mirrors to gather and focus light?
a) Refracting telescope
b) Reflecting telescope
c) Compound microscope
d) Binoculars
The primary lens in a refracting telescope is also known as the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
A telescope that uses mirrors to gather and focus light is called a:
a) Refracting telescope
b) Reflecting telescope
c) Compound telescope
d) Radio telescope
Which optical instrument is used to measure the focal length of a lens?
a) Telescope
b) Microscope
c) Spectrometer
d) Focimeter
The eyepiece in a compound microscope typically has what type of lens?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Which of the following optical instruments is commonly used in astronomy for observing celestial objects?
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
The optical phenomenon that causes light to change direction when it passes from one medium to another is called:
a) Diffraction
b) Reflection
c) Dispersion
d) Refraction
A device used to measure the intensity of light is called a:
a) Photometer
b) Micrometer
c) Spectrometer
d) Refractometer
Which optical instrument is used to measure the diameter of a wire or a small object?
a) Telescope
b) Microscope
c) Micrometer
d) Spectrometer
The eyepiece in a telescope is also known as the:
a) Objective
b) Lens
c) Ocular
d) Prism
A telescope that uses a combination of lenses and mirrors to gather and focus light is called a:
a) Refracting telescope
b) Reflecting telescope
c) Compound telescope
d) Radio telescope
The convex lens in a telescope is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
Which optical instrument is used to view objects that are not visible to the naked eye?
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
The lens in a microscope that is closest to the object being viewed is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
An optical instrument used to view objects that are not visible to the naked eye is a:
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
Which of the following optical instruments uses both lenses and mirrors to gather and focus light?
a) Refracting telescope
b) Reflecting telescope
c) Compound microscope
d) Binoculars
The primary lens in a refracting telescope is also known as the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
A telescope that uses mirrors to gather and focus light is called a:
a) Refracting telescope
b) Reflecting telescope
c) Compound telescope
d) Radio telescope
Which optical instrument is used to measure the focal length of a lens?
a) Telescope
b) Microscope
c) Spectrometer
d) Focimeter
The eyepiece in a compound microscope typically has what type of lens?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Which of the following optical instruments is commonly used in astronomy for observing celestial objects?
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
The optical phenomenon that causes light to change direction when it passes from one medium to another is called:
a) Diffraction
b) Reflection
c) Dispersion
d) Refraction
A device used to measure the intensity of light is called a:
a) Photometer
b) Micrometer
c) Spectrometer
d) Refractometer
Which optical instrument is used to measure the diameter of a wire or a small object?
a) Telescope
b) Microscope
c) Micrometer
d) Spectrometer
The eyepiece in a telescope is also known as the:
a) Objective
b) Lens
c) Ocular
d) Prism
A telescope that uses a combination of lenses and mirrors to gather and focus light is called a:
a) Refracting telescope
b) Reflecting telescope
c) Compound telescope
d) Radio telescope
The convex lens in a telescope is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
Which optical instrument is used to view objects that are not visible to the naked eye?
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
The lens in a microscope that is closest to the object being viewed is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
An optical instrument used to view objects that are not visible to the naked eye is a:
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
Which of the following optical instruments uses both lenses and mirrors to gather and focus light?
a) Refracting telescope
b) Reflecting telescope
c) Compound microscope
d) Binoculars
The primary lens in a refracting telescope is also known as the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
A telescope that uses mirrors to gather and focus light is called a:
a) Refracting telescope
b) Reflecting telescope
c) Compound telescope
d) Radio telescope
Which optical instrument is used to measure the focal length of a lens?
a) Telescope
b) Microscope
c) Spectrometer
d) Focimeter
The eyepiece in a compound microscope typically has what type of lens?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Which of the following optical instruments is commonly used in astronomy for observing celestial objects?
a) Telescope
b) Microscope
c) Binoculars
d) Spectrometer
The optical phenomenon that causes light to change direction when it passes from one medium to another is called:
a) Diffraction
b) Reflection
c) Dispersion
d) Refraction
A device used to measure the intensity of light is called a:
a) Photometer
b) Micrometer
c) Spectrometer
d) Refractometer
Which optical instrument is used to measure the diameter of a wire or a small object?
a) Telescope
b) Microscope
c) Micrometer
d) Spectrometer
The eyepiece in a telescope is also known as the:
a) Objective
b) Lens
c) Ocular
d) Prism
A telescope that uses a combination of lenses and mirrors to gather and focus light is called a:
a) Refracting telescope
b) Reflecting telescope
c) Compound telescope
d) Radio telescope
The convex lens in a telescope is called the:
a) Eyepiece
b) Objective
c) Prism
d) Mirror
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