List of top Physics Questions on Light - Reflection and Refraction asked in Andhra Pradesh Polytechnic Common Entrance Test

If 25 cm each is the object and image distances due to convex lens, then its focal length is

In old age, the value of least distance of distinct vision shifts to

The light which has the maximum angle of deviation is

Blue colour of the sky is due to the scattering of light by the atmospheric molecules of

The power of a lens of focal length 20 cm is

The lens which is bounded by one-curved surface is

The angle between paraxial rays and principal axis is

A light ray bends away from normal when it travels from

If \(v_1\) and \(v_2\) are the speeds of light in the two media of refractive indices \(n_1\) and \(n_2\) respectively, then

The speed of light in vacuum is c. The speed of light in a medium of refractive index \(\frac 43\) is

A rectangular tank of depth 4 m is full of water of refractive index \(\frac 43\). When viewed from the top, the bottom of the tank is seen at a depth of

If i₁ and i₂ are the angles of incidence and emergence respectively and A is the angle of prism, then the angle of deviation is given by

If R₁ and R2 are the radii of curvature, n is the refractive index and f is the focal length, then the lens maker's formula is given by

A rectangular tank of depth 2 m is full of water of refractive index \(\frac{4}{3 }\) When viewed from the top, the bottom of the tank is seen at a depth of 

When we sit at a camp fire, objects beyond the fire are seen swaying. The principle involved in it is

If A and B are the speed of light in a medium and refractive index of that medium respectively, then

The refractive index of glass with respect to air is 2. The critical angle at their interface is

If i and r are the angles of incidence and refraction respectively, then i <r means the light ray travels from

According to laws of refraction, which of the following lie in the same plane?

Which of the following is not an example of refraction?

On which of the following factors does the focal length of lens depend?

A convex lens forms a virtual image when the object is placed between focus and optic centre. The size of the image as compared to the object is

A lens having two spherical surfaces, curved inwards, is called

When an object is placed at distance of 5 cm from a human eye, the image is formed at distance of