Physics Quiz: Lenses and Optical Fibres

What is the angle of incidence of the ray of light on the prism?

What is the purpose of a p-n junction diode?

What is the type of material used in semiconductors?

What is the principle behind the working of an optical fibre?

What is the angle of deviation of the ray of light as it passes through the prism?

What is the function of the lens L1 in the given diagram?

What is the purpose of an astronomical refracting telescope?

What is the SI unit of electrical conductivity of a wire?

What can be said about the internal resistance of a high-voltage battery compared to a low-voltage battery?

What is the focal length of lens L1 in the given diagram?

What is the total energy supplied by the batteries to the circuit in one minute?

What is the purpose of using a concave lens L2 in the given diagram?

What is the relationship between the refractive index of a lens material and the wavelength of light used?

What is the effect of increasing the wavelength of light on the power of a lens?

What is the condition for the focal length of a convex lens to be equal to its radius of curvature?

What is the orientation of the dipole moment and the electric field in the given problem?

What is the formula related to the design of lenses of desired focal lengths?

What is the condition for an electric dipole to have maximum potential energy in a uniform electric field?