Physics

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 [...]

For a situation shown in figure, find the refrective index of glass so that it will suffer total internal reflection at the vertical surface. find the refrective index of glass so that it will suffer total internal reflection at the vertical surface. For a situation shown in figure October 27, 2020 Category: AIIMS Last 24 [...]

Focal length of objective and eye piece of telescope are 200cm and 4cm respectively. What is the length of telescope for normal adjustment? Focal length of objective and eye piece of telescope are 200cm and 4cm respectively. What is the length of telescope for normal adjustment? October 27, 2020 Category: AIIMS Last 24 Years Solved [...]

A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm. Then the refractive index of the material of the cube is Light wave enters from medium 1 to medium 2. Its velocity [...]

Light wave enters from medium 1 to medium 2. Its velocity in 2nd medium is double from 1st. For total internal reflection the angle of incidence must be greater than Light wave enters from medium 1 to medium 2. Its velocity in 2nd medium is double from 1st. For total internal reflection the angle of [...]