Q1PhysicsUnit 16: Optics
For a total internal reflection, which of
the following is correct?
Physics · JEE
Total internal reflection and its applications, magnification, power of a lens, combination of thin lenses in contact Mock Test for JEE
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Syllabus context
Part of Optics in JEE Main Physics.
- Reflection of light, spherical mirrors, mirror formula
- Refraction of light at plane and spherical surfaces, thin lens formula and lens maker formula
- Total internal reflection and its applications, magnification, power of a lens, combination of thin lenses in contact
- Refraction of light through a prism, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers
- Wave optics: wavefront and Huygens' Principle, laws of reflection and refraction using Huygens principle
- Interference: Young's double-slit experiment and expression for fringe width, coherent sources and sustained interference of light
- Diffraction due to a single slit, width of central maximum
- Polarization: plane-polarized light, Brewster's law, uses of plane-polarized light and Polaroid
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Q2PhysicsUnit 16: Optics
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or
sunset?
Q3PhysicsUnit 16: Optics
When light is incident on the interface of glass and air as shown in the figure, the green light is just totally internally reflected. Then the emerging ray in air contains:
Q4PhysicsUnit 16: Optics
A magnifying glass is used to read the newspaper. As it is moved far away from
the newspaper
Q5PhysicsUnit 16: Optics
The figure shows a mixture of blue,
green and red colour ray incident on the right angled prism. The critical angles
of the material of prism for red, green
and blue colours are and
respectively. The arrangement will
separate:
Q6PhysicsUnit 16: Optics
One can not see through fog because:
Q7PhysicsUnit 16: Optics
The power of a lens is negative. State
whether it is convex or concave?
Q8PhysicsUnit 16: Optics
A focal length of a lens is What is power of a lens in dioptre?
Q9PhysicsUnit 16: Optics
A ray of light incidents normally on first face of the prism and the emergent ray grazes the second surface. If is the
angle of the prism and is its critical
angle then the correct choice is:
Q10PhysicsUnit 16: Optics
Braille system is used for:
Q11PhysicsUnit 16: Optics
The phenomenon of scattering of light by fine particles is called
Q12PhysicsUnit 16: Optics
A ray monochromatic light is
incident on the face of prism
near vertex at an incident
angle of (see figure). If the refractive index of the material of the prism is which of the following is (are) correct?
rhis question has multiple correct options
Q13PhysicsUnit 16: Optics
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance
because among all other colours, the red light:
Q14PhysicsUnit 16: Optics
In secondary rainbow what is the order of colours observed from earth?
Q15PhysicsUnit 16: Optics
A ray of light in a liquid of refractive index approaches the boundary surface between the liquid and air at an angle of incidence whose sine is 0.8
Which of the following statements is correct about the behaviour of the light
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Popular questions in Total internal reflection and its applications, magnification, power of a lens, combination of thin lenses in contact
- Which of the following are conditions necessary for observing rainbow?…
- A ray of light in a liquid of refractive index \( 1.4, \) approaches the boundary surface between the liquid and air at …
- A focal length of a lens is \( 10 \mathrm{cm} . \) What is power of a lens in dioptre?…
- For a total internal reflection, which of the following is correct?…
- One can not see through fog because:…
- The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance be…
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