AIIMS Last 24 Years Solved 1996 – 2019 Physics and Chemistry Video Solutions

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 [...]

Two coherent monochromatic light beams of amplitude 3 and 5 units are superposed. The maximum and minimum possible intensities in the resulting beams are in the ratio Two coherent monochromatic light beams of amplitude 3 and 5 units are superposed. The maximum and minimum possible intensities in the resulting beams are in the ratio October [...]

In Young’s experiment, the monochromatic light is used to illuminate two slits S1 and S2 as shown. Interference fringes are observed on a screen placed in front of the slits. Now if a thin glass plate is placed normally in the path of beam coming from the slit S1, then Greater accuracy in the determination [...]

Greater accuracy in the determination of the position of a particle with an optical microscope can had, if the beam of light used Greater accuracy in the determination of the position of a particle with an optical microscope can had if the beam of light used October 27, 2020 Category: AIIMS Last 24 Years Solved [...]

At what angle of incidence will the light reflected from glass (μ=1.5) be completely polarized ? At what angle of incidence will the light reflected from glass (μ=1.5) be completely polarized ? October 27, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 16 - Waves , [...]

If focal length of human eye is 2 cm then find the focal length of contact lens such that a combined focus system of focal length 2.5 cm is obtained after using contact lens. If focal length of human eye is 2 cm then find the focal length of contact lens such that a combined [...]

Focal length of convex lens is 100 cm and focal length of concave lens is 8 cm. Find the magnification of the given combination of lens if object is placed at point O. Focal length of convex lens is 100 cm and focal length of concave lens is 8 cm. Find the magnification of the [...]

A simple microscope has a focal length of 5cm. Final image is formed at the least distance of distinct vision is , then its magnification will be A simple microscope has a focal length of 5cm. Final image is formed at the least distance of distinct vision is then its magnification will be October 27, [...]

The least distance of vision of a longsighted person is 60 cm. By using a spectacle lens, this distance is reduced to 12 cm. The power of the lens is The least distance of vision of a longsighted person is 60 cm. By using a spectacle lens this distance is reduced to 12 cm. The [...]

A 2.0 cm tall object is placed 15 cm in front of concave mirror of focal length 10 cm. What is the size and nature of the image? A 2.0 cm tall object is placed 15 cm in front of concave mirror of focal length 10 cm. What is the size and nature of the [...]