The instrument used to see the distant objects on the Earth is (1) Terrestrial telescope (2) Astronomical telescope (3) Compound microscope (4) Simple microscope

The instrument used to see the distant objects on the Earth is (1) Terrestrial telescope (2) Astronomical telescope (3) Compound microscope (4) Simple microscope
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Terrestrial telescope
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The instrument used to see the distant objects on the Earth is – (1) Terrestrial telescope (2) Astronomical telescope (3) Compound microscope (4) Simple microscope

Description : The instrument used to see the distant objects on the Earth is – (1) Terrestrial telescope (2) Astronomical telescope (3) Compound microscope (4) Simple microscope

Last Answer : (1) Terrestrial telescope Explanation: A telescope assists the eye chiefly in two way by enlarging the visual angle under which a distant object is seen, and thus magnifying that object; ... organ, thus rendering objects distinct and visible which would otherwise be indistinct and or invisible.

The instrument used to see the distant objects on the earth is –

Description : The instrument used to see the distant objects on the earth is –

Last Answer : Terrestrial Telescope

The magnifying power of an astronomical telescope can be decreased by – (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these

Description : The magnifying power of an astronomical telescope can be decreased by – (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these

Last Answer : (2) increasing the focal length of the eyepiece Explanation: The magnifying power (M) of astronomical is given by M = (focal length of objective)/(focal length of eye piece). This ... piece should be small. Similarly, for decreased magnification, focal length of eye piece should be increased.

The magnifying power of an astronomical telescope can be decreased by (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these

Description : The magnifying power of an astronomical telescope can be decreased by (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these 

Last Answer :  increasing the focal length of the eyepiece

While working on a plane table, the correct rule is: (A) Draw continuous lines from all instrument stations (B) Draw short rays sufficient to contain the points sought (C) Intersection should be obtained by actually drawing second rays (D) Take maximum number of sights as possible from each station to distant objects

Description : While working on a plane table, the correct rule is: (A) Draw continuous lines from all instrument stations (B) Draw short rays sufficient to contain the points sought (C) Intersection ... drawing second rays (D) Take maximum number of sights as possible from each station to distant objects

Last Answer : (B) Draw short rays sufficient to contain the points sought

If we are looking into the past when we look at distant stars, doesn't that mean that when we look at objects in everyday life we see them as they were a moment ago?

Description : If we are looking into the past when we look at distant stars, doesn't that mean that when we look at objects in everyday life we see them as they were a moment ago?

Last Answer : Strictly speaking, yes, that’s true. Light is a physical stuff that takes time to travel. Of course, the delay is so small it’s only worth taking into account with things as insanely far away as stars, and maybe the other planets.

A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision

Description : A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision

Last Answer : (3) Distinguish between certain colours Explanation: Colour blindness or colour vision deficiency is the inability or decreased ability to see coluor, or perceive colour differences, under normal lighting ... to the optic nerve. This type of colour blindness is usually a sex-linked condition.

A colour-blind person cannot (1) see distant objects (2) see black colour (3) distinguish between certain colours (4) have persistence of vision

Description : A colour-blind person cannot (1) see distant objects (2) see black colour (3) distinguish between certain colours (4) have persistence of vision

Last Answer : distinguish between certain colours

How can one can distinguish a telescope from a microscope?

Description : How can one can distinguish a telescope from a microscope?

Last Answer : – By observing size of the lens

One can distinguish a telescope from a microscope by observing – (1) length (2) colour (3) size of the lens (4) length and size of the lens

Description : One can distinguish a telescope from a microscope by observing – (1) length (2) colour (3) size of the lens (4) length and size of the lens

Last Answer : (4) length and size of the lens Explanation: Telescope and Microscope are two scientific instruments that serve their purposes differently. One of the main differences between a telescope and a ... the distance from the focal point to the lens is different in these two scientific instruments.

What was invented by 'Zacharias Janssen'? (1) Telescope (2) Microscope (3) Stethoscope (4) Periscope

Description : What was invented by 'Zacharias Janssen'? (1) Telescope (2) Microscope (3) Stethoscope (4) Periscope

Last Answer : (2) Microscope Explanation: In Boreel's investigation Johannes also claimed his father, Zacharias Jansen, invented the compound microscope in 1590.

Which one of the following instruments is used to study dispersion of light? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Description : Which one of the following instruments is used to study dispersion of light? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Last Answer : (3) Spectrometer Explanation: Dispersion occurs when different frequencies of light have different phase velocities, due either to material properties (material dispersion) or to the geometry ... portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials.

One can distinguish a telescope from a microscope by observing (1) length (2) colour (3) size of the lens (4) length and size of the lens

Description : One can distinguish a telescope from a microscope by observing (1) length (2) colour (3) size of the lens (4) length and size of the lens

Last Answer : length and size of the lens

Which one of the following instruments is used to study dispersion of light ? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Description : Which one of the following instruments is used to study dispersion of light ? (1) Microscope (2) Telescope (3) Spectrometer (4) Photometer

Last Answer : Spectrometer

The magnifying power of an astronomical telescope can be decreased by – (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these

Description : The magnifying power of an astronomical telescope can be decreased by – (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these

Last Answer : (2) increasing the focal length of the eyepiece Explanation: The magnifying power (M) of astronomical is given by M = (focal length of objective)/(focal length of eye piece). This ... piece should be small. Similarly, for decreased magnification, focal length of eye piece should be increased.

Distant objects are visible as a little out of focus in this condition – (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Description : Distant objects are visible as a little out of focus in this condition – (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Last Answer : (4) myopia Explanation: Myopia, also known as nearsightedness and short-sightedness, is a condition of the eye where the light that comes in does not directly focus on the retina but in front of it, causing ... at a distant object to be out of focus, but in focus when looking at a close object.

A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Description : A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Last Answer : (2) in front of the retina Explanation: A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This ... relatively too long or the refractive powers of the cornea and lens of the eye are relatively too strong.

Distant objects are visible as a little out of focus in this condition : (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Description : Distant objects are visible as a little out of focus in this condition : (1) presbiopia (2) hypermetropia (3) astigmatism (4) myopia

Last Answer : myopia

A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focussed in his eyes (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Description : A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focussed in his eyes (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Last Answer : in front of the retina

A person who can see distant objects clearly but cannot see nearby objects distinctly is suffering from which eye disease?

Description : A person who can see distant objects clearly but cannot see nearby objects distinctly is suffering from which eye disease?

Last Answer : Hypermetropia.

______ is the defect which occurs in eye due to excessive curvature of cornea and person is not able to see distant objects clearly . a)myopia b)hypermetropia c)squint d)cataract

Description : ______ is the defect which occurs in eye due to excessive curvature of cornea and person is not able to see distant objects clearly . a)myopia b)hypermetropia c)squint d)cataract

Last Answer : a)myopia

An ant can see the objects all around it due to the presence of – (1) Eyes over the head (2) Well developed eyes (3) Compound eyes (4) Simple eyes

Description : An ant can see the objects all around it due to the presence of – (1) Eyes over the head (2) Well developed eyes (3) Compound eyes (4) Simple eyes

Last Answer : (3) Compound eyes Explanation: An ant has compound eye.

An ant can see the objects all around it due to the presence of – (1) Simple Eyes (2) Eyes over the head (3) Well-developed eyes (4) Compound eyes

Description : An ant can see the objects all around it due to the presence of – (1) Simple Eyes (2) Eyes over the head (3) Well-developed eyes (4) Compound eyes

Last Answer : (4) Compound eyes Explanation: Compound eyes are found among the arthropods and are composed of many simple facets which, depending on the details of anatomy, may give either a single pixilated ... image from all the eyes is produced in the brain, providing very different, high-resolution images.

An ant can see the objects all around it due to the presence of (1) Simple Eyes (2) Eyes over the head (3) Well-developed eyes (4) Compound eyes

Description : An ant can see the objects all around it due to the presence of (1) Simple Eyes (2) Eyes over the head (3) Well-developed eyes (4) Compound eyes

Last Answer : Compound eyes

What are the differences between a microscope and a telescope?

Description : What are the differences between a microscope and a telescope?

Last Answer : They are both similar in that it’s all about a game of bending light to meet your need using lenses in various configurations. Hope this helps.

How can one can distinguish a telescope from a microscope? -Do You Know?

Description : How can one can distinguish a telescope from a microscope? -Do You Know?

Last Answer : answer:

How can one can distinguish a telescope from a microscope?

Description : How can one can distinguish a telescope from a microscope?

Last Answer : By observing size of the lens

With which instrument can a sailor in a submarine see the objects on the surface of sea?

Description : With which instrument can a sailor in a submarine see the objects on the surface of sea?

Last Answer : – Periscope

Resolving power is the ability of a microscope to a. Estimate cell size. b. Magnify an image. c. See two close objects as separate. d. Keep objects in focus.

Description : Resolving power is the ability of a microscope to a. Estimate cell size. b. Magnify an image. c. See two close objects as separate. d. Keep objects in focus.

Last Answer : d. Keep objects in focus.

The mean distance from the Sun to the Earth is called: (1) Light year (2) Astronomical Unit (3) Parallactic Second (4) Angstrom

Description : The mean distance from the Sun to the Earth is called: (1) Light year (2) Astronomical Unit (3) Parallactic Second (4) Angstrom

Last Answer : (2) Astronomical Unit Explanation: The distance from the Earth to the Sun on average is about 149 million km which is often referred to as Astronomical Unit. 1 AU = 149 million km.

A simple microscope consists of : (1) a short focus convex lens (2) a long focus convex lens (3) a short focus concave lens (4) a long focus concave lens

Description : A simple microscope consists of : (1) a short focus convex lens (2) a long focus convex lens (3) a short focus concave lens (4) a long focus concave lens

Last Answer : (1) a short focus convex lens Explanation: Simple microscope - light microscope consisting of a short focus single convex lens is used to produce an enlarged image. The magnifying glass was ... object viewed and one lens, increasing the visibility of the object by some amount (magnification).

The final image in a simple microscope is – (1) real, diminished and inverted (2) real, magnified and erect (3) virtual, magnified and erect (4) virtual, diminished and erect

Description : The final image in a simple microscope is – (1) real, diminished and inverted (2) real, magnified and erect (3) virtual, magnified and erect (4) virtual, diminished and erect

Last Answer : (3) virtual, magnified and erect Explanation: A basic microscope is made up of two converging lenses. The first lens creates a real image which serves as the object for the second lens, and the ... a viewer sees. The final image is magnified, virtual and is inverted compared to the original object.

The final image in a simple microscope is (1) real, diminished and inverted (2) real, magnified and erect (3) virtual, magnified and erect (4) virtual, diminished and erect

Description : The final image in a simple microscope is (1) real, diminished and inverted (2) real, magnified and erect (3) virtual, magnified and erect (4) virtual, diminished and erect

Last Answer : virtual, magnified and erect

A simple microscope consists of : (1) a short focus convex lens (2) a long focus convex lens (3) a short focus concave lens (4) a long focus concave lens

Description : A simple microscope consists of : (1) a short focus convex lens (2) a long focus convex lens (3) a short focus concave lens (4) a long focus concave lens 

Last Answer :  a short focus convex lens

Distant objects are visible as a little out of focus in the condition:

Description : Distant objects are visible as a little out of focus in the condition:

Last Answer : Myopia

Radar is used to (1) locate submerged submarines. (2) receive signal from radio receivers. (3) detect and locate distant objects. (4) locate geostationary satellites.

Description : Radar is used to (1) locate submerged submarines. (2) receive signal from radio receivers. (3) detect and locate distant objects. (4) locate geostationary satellites.

Last Answer :  detect and locate distant objects

What is a compound microscope? (1) A microscope that has one lens. (2) A microscope that has two sets of lenses : an occular lens and an eyepiece. (3) A microscope whose lenses are concave. (4) A microscope whose lenses are convex.

Description : What is a compound microscope? (1) A microscope that has one lens. (2) A microscope that has two sets of lenses : an occular lens and an eyepiece. (3) A microscope whose lenses are concave. (4) A microscope whose lenses are convex.

Last Answer : (2) A microscope that has two sets of lenses : an occular lens and an eyepiece. Explanation: A compound microscope is a microscope which uses multiple lenses to collect light from the ... lens provides the primary magnification which is compounded (multiplied) by the ocular lens (eyepiece).

Why would it be advantages to use blue light with compound microscope?

Description : Why would it be advantages to use blue light with compound microscope?

Last Answer : Ans. The limit, to which a microscope can be used to resolve details, depends upon the width of the objective. A wider objective and use of blue light (short wavelength) produces less diffraction and allows more details to be viewed.

What is a compound microscope? (1) A microscope that has one lens. (2) A microscope that has two sets of lenses : an occular lens and an eyepiece. (3) A microscope whose lenses are concave. (4) A microscope whose lenses are convex.

Description : What is a compound microscope? (1) A microscope that has one lens. (2) A microscope that has two sets of lenses : an occular lens and an eyepiece. (3) A microscope whose lenses are concave. (4) A microscope whose lenses are convex.

Last Answer : A microscope that has two sets of lenses : an occular lens and an eyepiece.

One of the Lehmann's rules of plane tabling, is (A) Location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances (B) When looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray (C) When the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays (D) None of these

Description : One of the Lehmann's rules of plane tabling, is  (A) Location of the instrument station is always distant from each of the three rays from the  known points in proportion to their distances  ( ... to the most distant point as the inter-section of the other two rays  (D) None of these 

Last Answer : (A) Location of the instrument station is always distant from each of the three rays from the  known points in proportion to their distances 

What direction do objects move under the microscope as compared to the direction they move in real life?

Description : What direction do objects move under the microscope as compared to the direction they move in real life?

Last Answer : When viewed through a microscope, things appear to move in theopposite direction than they are really moving. If you move anobject to the right, it appears to move left. The lenses of themicroscope reverse the image.

What direction do objects move under the microscope as compared to the direction they move in real life?

Description : What direction do objects move under the microscope as compared to the direction they move in real life?

Last Answer : When viewed through a microscope, things appear to move in theopposite direction than they are really moving. If you move anobject to the right, it appears to move left. The lenses of themicroscope reverse the image.

Who viewed moving objects from pond water his microscope and named them animalcules?

Description : Who viewed moving objects from pond water his microscope and named them animalcules?

Last Answer : robert hooke

What is the telescope designed to search for earth-size planets in the nearby region of our galaxy, termed as? (1) Hubble telescope (2) Kepler telescope (3) Copernicus telescope (4) Newton telescope

Description : What is the telescope designed to search for earth-size planets in the nearby region of our galaxy, termed as? (1) Hubble telescope (2) Kepler telescope (3) Copernicus telescope (4) Newton telescope

Last Answer : (1) Hubble telescope Explanation: The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

$ The entire material world which can be seen and detected with instrument is like microscops and telescope is called universe. ! Living organisms are

Description : $ The entire material world which can be seen and detected with instrument is like microscops and telescope is called universe. ! Living organisms are

Last Answer : $ The entire material world which can be seen and detected with instrument is like microscops and telescope is ... D. If both As and R are wrong.

While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Description : While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Last Answer : (C) Said to have parallax

Accurate measurement of deflection angles with a transit not properly adjusted may be made by (A) Setting the Vernier A at zero at back station and then plunging the telescope (B) Setting the Vernier A at zero at back station and turning the instrument to the forward station (C) Taking two back sights one with the telescope normal and the other with telescope inverted (D) None of these

Description : Accurate measurement of deflection angles with a transit not properly adjusted may be made by (A) Setting the Vernier A at zero at back station and then plunging the telescope (B) Setting the ... back sights one with the telescope normal and the other with telescope inverted (D) None of these

Last Answer : (C) Taking two back sights one with the telescope normal and the other with telescope inverted

With which instrument can a sailor in a submarine see the objects on the surface of sea? -Do You Know?

Description : With which instrument can a sailor in a submarine see the objects on the surface of sea? -Do You Know?

Last Answer : answer:

With which instrument can a sailor in a submarine see the objects on the surface of sea?

Description : With which instrument can a sailor in a submarine see the objects on the surface of sea?

Last Answer : Periscope