- Why output beam from the lens is collimated and not normal beam?

Q: Explain why an object in water always appears to be at a depth shallower than it actually is? Why do…

A: An object in water always appears to be at a depth shallower than it actually is and people…

Q: Calculate the power of the eye when viewing an object 3.00 m away.

A:

Q: When you look at a fish in a still stream from the bank, thefish appears shallower than it really is…

A: Fish in a tank

Q: The far point of a myopic administrator is 50.0 cm. The far point of a myopic administrator is 50.0…

A:

Q: (a) Find the far point of an eye for which a prescribed lens has an optical power of -0.48 d. (b)…

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Q: 4 ) An object of height 9 cm is placed 25 cm in front of a converging lens of focal length 10 cm.…

A: a)The expression for the image distance from the converging by the lens formula,

Q: Dish receivers for satellite TV always use the concave side of thedish, never the convex side.…

A: Dish receivers

Q: The figure shows a refracted light beam in linseed oil making an angle of o = 30.6° with the normal…

A: When a light goes from medium 1 to medium 2  μ2μ1=sinisinr Where,  μ1 =refractive index of medium…

Q: Reading glasses use converging lenses. A simple magnifieris also a converging lens. Are reading…

A: Magnifier and reading glass , both acts as converging lenses which produces magnified images. In…

Q: A tree 20 m high is located 40 m from the converging lens of focal length 0.08 m. Calculate the…

A:

Q: For a thin spherical lens, the focal length of red light compared to the focal length of blue light…

A:

Q: A person is looking at a house that is 12 m tall to the top of the roof. If the person is 40 m away,…

A:

Q: (a) For a diverging lens (f = - 16.0 cm), find the image distance for an object that is 16.0 cm from…

A: Write the given values with the suitable variables. f=-16 u=16 cm Here, f is the focal length and u…

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: