A ray of light falls on a transparent sphere with center at C as shown in Figure . The ray emerges from the sphere parallel to line AB. Find the refractive index of the sphere.
Sahay Sir > Question Answers > A ray of light falls on a transparent sphere with center at C as shown in Figure . The ray emerges from the sphere parallel to line AB. Find the refractive index of the sphere.
A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids L1 and L2 having refracting indices n1 and n2 respectively (n2>n1>1)The lens will diverge a parallel beam of light if it is filled with
15
Nov
A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids L1 and L2 having refracting indices n1 and n2 respectively (n2>n1>1)The lens will diverge a parallel beam of light if it is filled with A ray of light falls on a transparent [...]
A point object O is placed on the principal axis of a convex lens of focal length f=20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10. An eye is placed 60 cm to right of the lens and a distance h below the principal axis. The maximum value of h to see the image will be
15
Nov
A point object O is placed on the principal axis of a convex lens of focal length f=20cm at a distance of 40 cm to the left of it. The diameter of the lens is 10. An eye is placed 60 cm to right of the lens and a distance h below the principal axis. [...]
Light of wavelength 500 nm traveling with a speed of 2.0×10^8 ms^−1 in a certain medium enters another medium of refractive index 5/4 times that of the first medium. What are the wavelength and speed in the second medium?
15
Nov
Light of wavelength 500 nm traveling with a speed of 2.0×10^8 ms^−1 in a certain medium enters another medium of refractive index 5/4 times that of the first medium. What are the wavelength and speed in the second medium? A ray of light falls on a transparent sphere with center at C as shown in [...]
Light is incident normally on face AB of a prism as shown in figure. A liquid of refractive index μ is placed on the face AC of the prism. The prism is made of glass of refractive index 3/2. The limit of μ for which total internal reflection takes place on face AC is :
15
Nov
Light is incident normally on face AB of a prism as shown in figure. A liquid of refractive index μ is placed on the face AC of the prism. The prism is made of glass of refractive index 3/2. The limit of μ for which total internal reflection takes place on face AC is : [...]
A ray of light falls on a transparent sphere with center at C as shown in Figure . The ray emerges from the sphere parallel to line AB. Find the refractive index of the sphere.
13
Nov
A ray of light falls on a transparent sphere with center at C as shown in Figure . The ray emerges from the sphere parallel to line AB. Find the refractive index of the sphere. A ray of light falls on a transparent sphere with center at C as shown in Figure . The ray [...]