110. The shown meet at a right angle. The beam of light in the vertical plane P strikes mirror 1 as shown. (a) distance mirrors beam 2. Determine the 40.0 % the reflected light beam travels before striking mirror 2. (b) In what direction does the Mirror light beam travel after reflecting from mirror 2?
Ray Optics
Optics is the study of light in the field of physics. It refers to the study and properties of light. Optical phenomena can be classified into three categories: ray optics, wave optics, and quantum optics. Geometrical optics, also known as ray optics, is an optics model that explains light propagation using rays. In an optical device, a ray is a direction along which light energy is transmitted from one point to another. Geometric optics assumes that waves (rays) move in straight lines before they reach a surface. When a ray collides with a surface, it can bounce back (reflect) or bend (refract), but it continues in a straight line. The laws of reflection and refraction are the fundamental laws of geometrical optics. Light is an electromagnetic wave with a wavelength that falls within the visible spectrum.
Converging Lens
Converging lens, also known as a convex lens, is thinner at the upper and lower edges and thicker at the center. The edges are curved outwards. This lens can converge a beam of parallel rays of light that is coming from outside and focus it on a point on the other side of the lens.
Plano-Convex Lens
To understand the topic well we will first break down the name of the topic, ‘Plano Convex lens’ into three separate words and look at them individually.
Lateral Magnification
In very simple terms, the same object can be viewed in enlarged versions of itself, which we call magnification. To rephrase, magnification is the ability to enlarge the image of an object without physically altering its dimensions and structure. This process is mainly done to get an even more detailed view of the object by scaling up the image. A lot of daily life examples for this can be the use of magnifying glasses, projectors, and microscopes in laboratories. This plays a vital role in the fields of research and development and to some extent even our daily lives; our daily activity of magnifying images and texts on our mobile screen for a better look is nothing other than magnification.
![110. The
two
mirrors
refra
shown meet at a right
light
angle. The beam of light
in the vertical plane P
strikes mirror 1 as shown.
Determine
red
Light i
beam
Mirror
of g
sket
(a)
the
40.0%
the
distance
the
reflected
viol
light beam travels before
striking mirror 2. (b) In
what direction does the
1.25 m
Mirror
Ext
light beam travel after
reflecting from mirror 2?
116
unde
shov
111. A cylindrical cistern, constructed below ground
level, is 3.0 m in diameter and 2.0 m deep and is filled to
the brim with water. A small object rests on the bottom
of the cistern at its center. How far from the edge of the
cistern can a girl whose eyes are 1.2 m from the ground
stand and still see the object?
shap
1.
vibr
elec
118.
112. Consider a common mirage formed by superheated
air just above a roadway. A truck driver whose eyes are
2.00 m above the road, where n= 1.000 3, looks forward.
She has the illusion of seeing a patch of water ahead on
the road, where her line of sight makes an angle of 1.20°
below the horizontal. Find the index of refraction of the
appa
dire
119.
max
air just above the road surface. [Hint: Treat this as a
problem involving total internal reflection.]
whie
incie
the
113. A light ray strikes a flat piece of glass at an angle of
incidence 60° The index of refraction of the glass is 1.5.
The thickness of the glass is 2 cm. Trace the light ray
until it emerges from the glass.
are
inter
alon
has
medi
120.
glass
angul
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