PPSC Physics Chapter 4 MCQ Test With Answer for Physics chapter 4 (Geometrical Optics)
An important topic in the PPSC Physics Test is Geometrical Optics. In the field of Geometrical Optics, physicists study the propagation and behavior of light with the help of abstract mathematical rays. The process of abstraction of the concept of light makes it easier for the physicists to study the light when it goes from one place to the other or strikes with some material. Our understanding of the universe is nothing without the visible light that allows us to see things with our naked eyes. The importance of Geometrical Optics is therefore fundamental in the study of Physics as it enables us to understand how we see and what improvements we can make to see things better.
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When we look at the sky during daytime the light that we see is sunlight that has been absorbed and then re radiated in different directions, This process is called.
Question # 2
A person of height 1.5 m stands 2.0 m in front of a plane mirror How far from the person is her image .
Question # 3
A young man wearing glasses does not require bifocals because he
Question # 4
A negative magnification always means the the image is.
Question # 5
A double convex an bubble in water will behave as.
Question # 6
The image of an object 5 mm high is only 1 cm high. The magnification of the lens is
Question # 7
Which of the following is used as a remedy for defect of hypermetropia.
Question # 8
What would be the colour of sky n the absence of atmosphere.
Question # 9
Light entering glass will not suffer change in
Question # 10
The maximum number of rays required by a lens to form an image are
Question # 11
The phenomenon of total internal reflection occurs in
Question # 12
On which property of lens, longitudinal chromatic aberration depend upon
Question # 13
Which is the thick circular structure in teh eye containing an aperture with variable diameter It controls the amount of light reaching the retina.
Question # 14
the depth of a pond is 4 m What is the apparent depth of the pond if the water level is 3.5 m high. The refractive index of water is 1.33
Question # 15
Which mirror be used for obtaining a parallel beam of light from a small lamp.
Question # 16
Which phenomenon is responsible formation of shadows.
Question # 17
The power of a convex lens is 5 D at what distance the object should be placed from the lens so that its real and 2 times larger image is formed.
Question # 18
Rainbows and mirage are formed by
Question # 19
Sunlight can undergo total internal reflection if it enters from
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