Physics
The camera lens has an aperture of f and the exposure time is (1/60)s. What will be the new exposure time if the aperture become 1.4 f ?
13
Nov
The camera lens has an aperture of f and the exposure time is (1/60)s. What will be the new exposure time if the aperture become 1.4 f ? The camera lens has an aperture of f and the exposure time is (1/60)s. What will be the new exposure time if the aperture become 1.4 f [...]
A leaf which contains only green pigments is illuminated by a laser light of wavelength 0.6328μm. It would appear to :
13
Nov
A leaf which contains only green pigments is illuminated by a laser light of wavelength 0.6328μm. It would appear to : A leaf which contains only green pigments is illuminated by a laser light of wavelength 0.6328μm. It would appear to : November 13, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics [...]
Flash light equipped with a new set of batteries, produces bright white light. As the batteries wear out
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Nov
Flash light equipped with a new set of batteries, produces bright white light. As the batteries wear out Flash light equipped with a new set of batteries produces bright white light. As the batteries wear out November 13, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]
A lens is made of flint glass (refractive index = 1.5). When the lens is immersed in a liquid of refractive index 1.25, the focal length
13
Nov
A lens is made of flint glass (refractive index = 1.5). When the lens is immersed in a liquid of refractive index 1.25, the focal length A lens is made of flint glass (refractive index = 1.5). When the lens is immersed in a liquid of refractive index 1.25 the focal length November 13, 2020 [...]
A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging lens of focal length 10 cm, kept close to the eye. The magnification produced by the lens is.
13
Nov
A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging lens of focal length 10 cm, kept close to the eye. The magnification produced by the lens is. A wire mesh consisting of very small squares is viewed at a distance of 8 cm through [...]
In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium
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Nov
In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium because In refraction in the second medium light waves are bent on passing from one medium to the second medium November 13, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]
A telescope has an objective lens of focal length 200 cm and an eye piece with focal length 2 cm. If this telescope is used to see a 50 metre tall building at a distance of 2 km, what is the height of the image of the building formed by the objective lens?
13
Nov
A telescope has an objective lens of focal length 200 cm and an eye piece with focal length 2 cm. If this telescope is used to see a 50 metre tall building at a distance of 2 km, what is the height of the image of the building formed by the objective lens? A telescope [...]
What should be the maximum acceptance angle at the air-core interface of an optical fibre if n1 and n2 are the refractive indices of the core and the cladding, respectively ?
13
Nov
What should be the maximum acceptance angle at the air-core interface of an optical fibre if n1 and n2 are the refractive indices of the core and the cladding, respectively ? respectively What should be the maximum acceptance angle at the air-core interface of an optical fibre if n1 and n2 are the refractive indices [...]
An endoscope is employed by a physician to view the internal parts of a body organ. It is based on the principle of
13
Nov
An endoscope is employed by a physician to view the internal parts of a body organ. It is based on the principle of An endoscope is employed by a physician to view the internal parts of a body organ. It is based on the principle of November 13, 2020 Category: AIIMS Last 24 Years Solved [...]
An object is immersed in a fluid. In order that the object becomes invisible, it should
13
Nov
An object is immersed in a fluid. In order that the object becomes invisible, it should An object is immersed in a fluid. In order that the object becomes invisible it should November 13, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 28 - Electromagnetic Waves [...]