Polarised light can be produced by:
Polarized light produced by reflection, refraction, scattering, polaroids, selective absorption.
Ref: NCERT Physics Class 12 Chapter 10 Wave Optics
Optics and Electromagnetic Waves 1
The Optics and Electromagnetic Waves 1 category groups questions that focus on the fundamentals of light and electromagnetic radiation. Topics include reflection, refraction, interference, diffraction, polarization, and the behavior of waves across the spectrum. It is designed for students preparing for physics exams.
Filter questions
Resolving power of human eye is:
Human eye resolving power ~1 arc minute, ~0.1mm at 25cm, diffraction limited.
Ref: NCERT Physics Class 12 Chapter 10 Wave Optics
When a ray of light passes from one medium to another (rarer to denser or denser to rarer), which of the following pheno
Refraction occurs, frequency same, wavelength and speed change, Snell's law.
Ref: NCERT Physics Class 12 Chapter 9 Ray Optics and Optical Instruments
According to Huygens Principle, the secondary wavefronts are generated from
Secondary wavelets generated from every point on primary wavefront, envelope forms new front.
Ref: NCERT Physics Class 12 Chapter 10 Wave Optics
If a plane wavefront is incident on a convex lens then the emergent wavefront will be _______________
Convex lens converts plane wavefront to spherical converging to focus.
Ref: NCERT Physics Class 12 Chapter 9 Ray Optics and Optical Instruments
Myopia is cured by using:
Myopia cured using concave lens diverging, power negative.
Ref: NCERT Physics Class 12 Chapter 9 Ray Optics and Optical Instruments
Which ray will take more time to reach the focus point? [Image: https://www.selfstudys.com/uploads/external-images/FG9y7
Marginal rays take longer due to spherical aberration, central rays faster.
Ref: NCERT Physics Class 12 Chapter 10 Wave Optics
The magnifying power of a telescope is 9. When it is adjusted for parallel rays the distance between the objective and e
Telescope MP=f_o/f_e=9, tube length L=f_o+f_e for parallel rays adjustment.
Ref: NCERT Physics Class 12 Chapter 9 Ray Optics and Optical Instruments
Law of reflection for a plane wave can be explained using
Reflection explained using Huygens principle, angle incidence equals reflection.
Ref: NCERT Physics Class 12 Chapter 8 Electromagnetic Waves
A person uses spectacles of power +2D. He is suffering from::
+2D convex lens corrects hypermetropia, far-sightedness, near point defect.
Ref: NCERT Physics Class 12 Chapter 10 Wave Optics
Human eye focuses image on retina by:
Eye focuses by ciliary muscles changing lens curvature, accommodation.
Ref: NCERT Physics Class 12 Chapter 9 Ray Optics and Optical Instruments
An object is at a distance of 0.5 m in front of a plane mirror. Distance between the object and image is
Plane mirror image distance same as object, separation object-image 1m.
Ref: NCERT Physics Class 12 Chapter 9 Ray Optics and Optical Instruments
