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If prism has 1.5 refractive index and emission angle is double of incidence angle, what will be the angle of minimum deviation?
Describe the difference between what we see in a specular reflection versus a diffuse reflection.
Describe the difference between what we see in a specular reflection versus a diffuse reflection.
What would be the effect on focal length if different colours of light falls on a lens? The focal length would remain same or not?
An under water swimmer is at a depth of 12 m below the surface of water. A bird is at a height of 18 m from the surface of water, directly above his eyes. For the swimmer the bird appears to be at a distance ______ from the surface of water. (Refractive Index of water = 4/3 )
Answer : 24cm
Answer : 24cm
Ray of light incident at an angle 60° on a √3 cm thick plate the shift in the path of the ray as it emerges out from the plate is? ( Refractive index of plate is √3)
A person's eye is at a height of 1.5m.He stands infront of a 0.3m long plane mirror which is 0.8m above the ground.The length of the image he sees of himself is:
A ray of light passes from air though a rectangular glass block whose longest parallel sides are 4.5cm apart. Given that the angle of incidence is 52°, determine the lateral displacement of the ray. (Refractive index of glass= 1.5)
A microscope is focused on an insect. When the insect is covered by a plate of glass of 2 cm thick, the microscope has to be raised 0.67cm the insect to be focused. Calculate the refractive index of the glass.
A fixed incident ray strikes a plane mirror at an angle of incident of 15°. The mirror is then rotated through an angle of 20°. Determine the angle between the incident and reflected rays.
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#235405 on Jun 2019
#235405 on Jun 2019 
